The 2023 GMC Acadia has 211 engine parts with verified fitment on this page — 82 part types and 34 brands, covering both the 2.0L L4 Turbocharged and the 3.6L V6. Each part includes a manufacturer part number and application notes.
On the 2023 GMC Acadia, the engine covers the internals and hard parts that build compression and keep oil where it belongs — gaskets, bearings, camshafts, lifters, seals and timing components. 40 parts of the 211 listed are Oil (20 parts), Variable Valve Timing (VVT) Solenoid / Actuator (11 parts) and Oil Filter (9 parts). The other 79 part types cover the remaining 171 parts.
The 2023 GMC Acadia was sold with both the 2.0L L4 Turbocharged and the 3.6L V6. Every part on this page is engine-specific. Each part shows which engine(s) it fits.
The most listed brands for 2023 GMC Acadia engine parts are GM GENUINE (113 parts), AJUSA (15 parts) and MAHLE / CLEVITE (7 parts), plus 31 more brands. Quality grades include Economy, Standard Replacement and High Performance / Heavy Duty.
19 parts on this 2023 GMC Acadia page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including GM GENUINE 12647574 (Cylinder Head Gasket) and GM GENUINE 12648665 (Intake Manifold Gasket). Click any part number to see every vehicle that part fits.
Camshaft
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 12677826 | 🇺🇸 US 🇨🇦 CA | Computer Controlled Compatible: YES | View on Amazon |
| GM GENUINE Fits: 3.6L V6 | 12677832 | 🇺🇸 US 🇨🇦 CA | Exhaust (Right) | View on Amazon |
| GM GENUINE Fits: 3.6L V6 | 12677833 | 🇺🇸 US 🇨🇦 CA | Exhaust (Left) | View on Amazon |
| GM GENUINE Fits: 3.6L V6 | 12684808 | 🇺🇸 US 🇨🇦 CA | Fits Intake (Right)FWD | View on Amazon |
| GM GENUINE Fits: 3.6L V6 | 12684809 | 🇺🇸 US 🇨🇦 CA | Fits Intake (Left)FWD | View on Amazon |
This table covers the camshafts that open the valves.
5 Camshaft parts for the 2023 GMC Acadia come from GM GENUINE.
Listed part numbers: GM GENUINE 12677826, GM GENUINE 12677832 and GM GENUINE 12677833, plus the other parts above.
Camshaft Alignment Tool
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| LISLE Fits: 3.6L V6 | 37530 | 🇺🇸 US 🇨🇦 CA | GM | View on Amazon |
This table covers the Camshaft Alignment tools. This is a service tool, not a wear part — match the application in the notes.
One part is listed for the 2023 GMC Acadia — LISLE 37530.
Camshaft Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 12740203 | 🇺🇸 US 🇨🇦 CA | Denali or SLE Model or SLT ModelSprocket Bolt | View on Amazon |
This table covers the Camshaft bolts.
One part is listed for the 2023 GMC Acadia — GM GENUINE 12740203.
Camshaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 12636316 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the seals at each camshaft end. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.
One part is listed for the 2023 GMC Acadia — GM GENUINE 12636316.
Connecting Rod
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 12647161 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the connecting rods between each piston and the crankshaft.
This group shows a single part: GM GENUINE 12647161.
Connecting Rod Bearing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 12672032 | 🇺🇸 US 🇨🇦 CA | Outside Diameter (mm): 60.936 mm | View on Amazon |
| MAHLE / CLEVITE Fits: 3.6L V6 | CB2033A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | A Series (Aluminum)Coated | View on Amazon |
This table covers the bearings in the connecting-rod big ends. Typical signs include a growl that rises with speed, or play in the shaft or hub. Set preload the way the notes specify. A dry or crushed bearing fails quickly.
2 Connecting Rod Bearing parts for the 2023 GMC Acadia come from 2 brands — GM GENUINE and MAHLE / CLEVITE.
Part numbers include GM GENUINE 12672032 and MAHLE / CLEVITE CB2033A.
Connecting Rod Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 11519680 | 🇺🇸 US 🇨🇦 CA | M9X1X53 | View on Amazon |
This table covers the Connecting Rod bolts.
One part is listed for the 2023 GMC Acadia — GM GENUINE 11519680.
Conversion / Lower Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA Fits: 3.6L V6 | 54323100 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers lower / conversion gasket sets for oil-pan and related joints. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration.
This group shows a single part: AJUSA 54323100.
Crankshaft
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 12699162 | 🇺🇸 US 🇨🇦 CA | Trans. code 9T659 speed Automatic trans. | View on Amazon |
This table covers the crankshafts that turn piston motion into rotation.
This group shows a single part: GM GENUINE 12699162.
Crankshaft Main Bearing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 12744917 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| GM GENUINE Fits: 3.6L V6 | 12720271 | 🇺🇸 US 🇨🇦 CA | UpperTrans. code 9T65 | View on Amazon |
| GM GENUINE Fits: 3.6L V6 | 12720272 | 🇺🇸 US 🇨🇦 CA | UpperTrans.Code 9T65 | View on Amazon |
This table covers the main bearings that support the crankshaft in the block. Typical signs include a growl that rises with speed, or play in the shaft or hub. Set preload the way the notes specify. A dry or crushed bearing fails quickly.
GM GENUINE supplies the 3 Crankshaft Main Bearing parts for the 2023 GMC Acadia.
Part numbers include GM GENUINE 12744917, GM GENUINE 12720271 and GM GENUINE 12720272.
Crankshaft Main Bearing Cap Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 11588713 | 🇺🇸 US 🇨🇦 CA | M6X1X25 | View on Amazon |
| GM GENUINE Fits: 3.6L V6 | 11546565 | 🇺🇸 US 🇨🇦 CA | Single UseM8X1.25X25 | View on Amazon |
| GM GENUINE Fits: 3.6L V6 | 11589000 | 🇺🇸 US 🇨🇦 CA | M8X1.25X50 | View on Amazon |
This table covers the Crankshaft Main Bearing Cap bolts.
3 Crankshaft Main Bearing Cap Bolt parts for the 2023 GMC Acadia come from GM GENUINE.
This group includes GM GENUINE 11588713, GM GENUINE 11546565 and GM GENUINE 11589000.
Crankshaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA Fits: 3.6L V6 | 15125900 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | FrontClockwise | View on Amazon |
| AJUSA Fits: 3.6L V6 | 71015400 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear | View on Amazon |
| GM GENUINE Fits: 3.6L V6 | 12693989 | 🇺🇸 US 🇨🇦 CA | Width: 1.7 In | View on Amazon |
| GM GENUINE Fits: 3.6L V6 | 12654010 | 🇺🇸 US 🇨🇦 CA | Front | View on Amazon |
This table covers the front and rear seals that keep oil in at the crankshaft. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.
4 Crankshaft Seal parts are listed for the 2023 GMC Acadia, from AJUSA and GM GENUINE.
Listed part numbers: AJUSA 15125900, AJUSA 71015400 and GM GENUINE 12693989, plus the other parts above.
Cylinder Head Alignment Dowel Pin
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 12570326 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Cylinder Head Alignment Dowel pins.
This group shows a single part: GM GENUINE 12570326.
Cylinder Head Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA Fits: 3.6L V6 | 81082800 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| GM GENUINE Fits: 3.6L V6 | 11547020 | 🇺🇸 US 🇨🇦 CA | M12X1.75X178 | View on Amazon |
| GM GENUINE Fits: 3.6L V6 | 11547584 | 🇺🇸 US 🇨🇦 CA | M8X1.25X81 | View on Amazon |
This table covers the bolts that clamp the cylinder head to the block.
3 Cylinder Head Bolt parts for the 2023 GMC Acadia come from 2 brands — GM GENUINE and AJUSA.
Part numbers include AJUSA 81082800, GM GENUINE 11547020 and GM GENUINE 11547584.
Cylinder Head Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular Fits: 3.6L V6 | 12647574 | 🇺🇸 US 🇨🇦 CA | Left | View on Amazon |
| GM GENUINE Popular Fits: 3.6L V6 | 12647575 | 🇺🇸 US 🇨🇦 CA | Right | View on Amazon |
| AJUSA Fits: 3.6L V6 | 10264200 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Multi Layered Steel | View on Amazon |
| AJUSA Fits: 3.6L V6 | 10264300 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Multi Layered Steel | View on Amazon |
| FEL-PRO Fits: 3.6L V6 | 26793PT | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Left | View on Amazon |
| FEL-PRO Fits: 3.6L V6 | 26794PT | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Right | View on Amazon |
| MAHLE / CLEVITE Fits: 3.6L V6 | 55390 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Multi Layered Steel | View on Amazon |
| MAHLE / CLEVITE Fits: 3.6L V6 | 55391 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Multi Layered Steel | View on Amazon |
This table covers the head gaskets that seal the block to the cylinder head. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.
8 Cylinder Head Gasket parts for the 2023 GMC Acadia come from 4 brands — GM GENUINE, AJUSA, FEL-PRO and 1 other brand. The "Popular" part is GM GENUINE 12647574.
Listed part numbers: GM GENUINE 12647574, GM GENUINE 12647575 and AJUSA 10264200, plus the other parts above.
Cylinder Head Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA Fits: 3.6L V6 | 52613900 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Complete Set | View on Amazon |
| GM GENUINE Fits: 3.6L V6 | 12672033 | 🇺🇸 US 🇨🇦 CA | Contains Head Gaskets and Bolts, Camshaft Cover and Intake Manifold Seals | View on Amazon |
| MAHLE / CLEVITE Fits: 3.6L V6 | HS55390 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Includes Valve Stem Seals | View on Amazon |
This table covers multi-piece gasket sets for a cylinder-head job. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration.
3 Cylinder Head Gasket Set parts for the 2023 GMC Acadia come from 3 brands — AJUSA, GM GENUINE and MAHLE / CLEVITE.
This group includes AJUSA 52613900, GM GENUINE 12672033 and MAHLE / CLEVITE HS55390.
Engine Block Heater
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 12587380 | 🇺🇸 US 🇨🇦 CA | Use with 2 Pin HeaterEngine Block Heater (K05) | View on Amazon |
This table covers the block heaters that warm the coolant or oil in cold weather.
One part is listed for the 2023 GMC Acadia — GM GENUINE 12587380.
Engine Kit Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA Fits: 3.6L V6 | 50552200 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers full gasket kits covering the joints opened in an engine rebuild. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration.
This group shows a single part: AJUSA 50552200.
Exhaust Valve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 12647868 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| SBI Fits: 3.6L V6 | 13468 | 🇺🇸 US 🇨🇦 CA | Fits or AT4 ModelDenali | View on Amazon |
This table covers the exhaust valves that let combustion gas out of the cylinder. Typical signs include a circuit that will not hold, a whistle, or a code for this valve. A stuck valve is often debris. Clean the ports before installing the new one.
2 Exhaust Valve parts are listed for the 2023 GMC Acadia, from GM GENUINE and SBI.
Listed part numbers: GM GENUINE 12647868 and SBI 13468.
Fuel Pump Camshaft Follower
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 12718357 | 🇺🇸 US 🇨🇦 CA | Fuel Pump | View on Amazon |
This table covers the followers that drive a mechanical fuel pump off the camshaft.
This group shows a single part: GM GENUINE 12718357.
Harmonic Balancer
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 12700427 | 🇺🇸 US 🇨🇦 CA | Center Bolt Thread Diameter (In): 0.63 In | View on Amazon |
This table covers the crankshaft pulleys / harmonic balancers at the front of the engine.
This group shows a single part: GM GENUINE 12700427.
Harmonic Balancer Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 11546516 | 🇺🇸 US 🇨🇦 CA | M16X2 | View on Amazon |
This table covers the Harmonic Balancer bolts.
One part is listed for the 2023 GMC Acadia — GM GENUINE 11546516.
Intake Insulator
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 12711487 | 🇺🇸 US 🇨🇦 CA | Fits Trans. code 9T659 speed Automatic trans. | View on Amazon |
This table covers the Intake insulators.
This group shows a single part: GM GENUINE 12711487.
Intake Manifold
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 12674037 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Intake manifolds. Typical signs include an exhaust tick, a vacuum leak, or a gasket that has burned through. Replace the gaskets and hardware; a warped flange will leak with a new gasket alone.
One part is listed for the 2023 GMC Acadia — GM GENUINE 12674037.
Intake Manifold Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 11548171 | 🇺🇸 US 🇨🇦 CA | Denali or SLE Model or SLT ModelUse with Adhesive 19333511 | View on Amazon |
| GM GENUINE Fits: 3.6L V6 | 11547321 | 🇺🇸 US 🇨🇦 CA | SCREW-PANHEADM6X2.22X24 | View on Amazon |
| GM GENUINE Fits: 3.6L V6 | 11547030 | 🇺🇸 US 🇨🇦 CA | UpperM8X1.25X84MM | View on Amazon |
This table covers the Intake Manifold bolts.
3 Intake Manifold Bolt parts for the 2023 GMC Acadia come from GM GENUINE.
This group includes GM GENUINE 11548171, GM GENUINE 11547321 and GM GENUINE 11547030.
Intake Manifold Cover
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 12680066 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Intake Manifold covers.
This group shows a single part: GM GENUINE 12680066.
Intake Manifold Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular Fits: 3.6L V6 | 12648665 | 🇺🇸 US 🇨🇦 CA | Seal | View on Amazon |
| AJUSA Fits: 3.6L V6 | 13332900 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| AJUSA Fits: 3.6L V6 | 77058400 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| FEL-PRO Fits: 3.6L V6 | MS97649 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | SetThrottle Body Gasket Not Included | View on Amazon |
| MAHLE / CLEVITE Fits: 3.6L V6 | MS20442 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | SetMolded Rubber | View on Amazon |
This table covers the gaskets between the intake manifold and the cylinder head. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.
5 Intake Manifold Gasket parts for the 2023 GMC Acadia come from 4 brands — AJUSA, GM GENUINE, FEL-PRO and 1 other brand. The "Popular" part is GM GENUINE 12648665.
Listed part numbers: GM GENUINE 12648665, AJUSA 13332900 and AJUSA 77058400, plus the other parts above.
Intake Valve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 12647867 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| MELLING Fits: 3.6L V6 | V3467 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| SBI Fits: 3.6L V6 | 13467 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the intake valves that let air (and fuel, on port-injected engines) into the cylinder. Typical signs include a circuit that will not hold, a whistle, or a code for this valve. A stuck valve is often debris. Clean the ports before installing the new one.
3 Intake Valve parts are listed for the 2023 GMC Acadia, from GM GENUINE, MELLING and SBI.
Listed part numbers: GM GENUINE 12647867, MELLING V3467 and SBI 13467.
Motor Mount
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular Fits: 3.6L V6 | 84499831 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| ANCHOR Fits: 3.6L V6 | 3518 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | RightHydraulic | View on Amazon |
| DEA / MARMON RIDE CONTROL Fits: 3.6L V6 | A20073 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Right | View on Amazon |
| PIONEER Fits: 3.6L V6 | 613518 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | RightAT4 Model or Denali or SLE Model or SLT Model | View on Amazon |
| WESTAR Fits: 3.6L V6 | EM4374 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | RightFWD | View on Amazon |
This table covers the mounts that hold the engine to the chassis. Typical signs include a clunk on takeoff, a vibration at idle, or a separated rubber insert. Support the powertrain before unbolting a mount, and torque the fasteners in the notes.
5 Motor Mount parts are listed for the 2023 GMC Acadia, from GM GENUINE, ANCHOR, DEA / MARMON RIDE CONTROL and 2 other brands. GM GENUINE 84499831 carries the "Popular" badge.
Listed part numbers: GM GENUINE 84499831, ANCHOR 3518 and DEA / MARMON RIDE CONTROL A20073, plus the other parts above.
Motor Mount Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 11547918 | 🇺🇸 US 🇨🇦 CA | M12 X 1.75 X 61 | View on Amazon |
| GM GENUINE Fits: 3.6L V6 | 11588741 | 🇺🇸 US 🇨🇦 CA | M10X1.5X45 | View on Amazon |
This table covers the Motor Mount bolts.
2 Motor Mount Bolt parts for the 2023 GMC Acadia come from GM GENUINE.
Part numbers include GM GENUINE 11547918 and GM GENUINE 11588741.
Motor Mount Bracket Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 11589279 | 🇺🇸 US 🇨🇦 CA | SINGLE USEM12X1.75X85.9 | View on Amazon |
This table covers the Motor Mount Bracket bolts.
This group shows a single part: GM GENUINE 11589279.
Motor Mount Kit
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ANCHOR Fits: 3.6L V6 | 300504 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | FWD | View on Amazon |
| ANCHOR Fits: 3.6L V6 | 300505 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 4WD | View on Amazon |
This table covers the Motor Mount kits.
ANCHOR supplies both parts for the 2023 GMC Acadia.
Listed part numbers: ANCHOR 300504 and ANCHOR 300505.
Oil
Summary: Notes list SAE 0W-30 and SAE 5W-30. Confirm the engine and the weight on the filler cap before you buy. Replacement brands in this table include MOBIL, LIQUI MOLY and VALVOLINE.
Full Synthetic
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular Fits: 3.6L V6 | 109324 | 🇺🇸 US | 5W-30(DEXOS1 GEN 3)(Full Synthetic) X 61 Quart | View on Amazon |
| LIQUI MOLY Popular Fits: 3.6L V6 | 20228 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Molygen New Generation 5W-305 Liter | View on Amazon |
| MOBIL Popular Fits: 3.6L V6 | 125195 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Full Synthetic 5W-30Mobil Full Synthetic | View on Amazon |
| MOBIL Popular Fits: 3.6L V6 | 124315 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 5W-30Mobil 1 Advanced | View on Amazon |
| LIQUI MOLY Fits: 3.6L V6 | 20136 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Special Tec AA 5W-301 Liter | View on Amazon |
| LIQUI MOLY Fits: 3.6L V6 | 20226 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Molygen New Generation 5W-301 Liter | View on Amazon |
| LIQUI MOLY Fits: 3.6L V6 | 20138 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Special Tec AA 5W-305 Liter | View on Amazon |
| LUCAS OIL Fits: 3.6L V6 | 10049 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | FULL SYNTHETIC MOTOR OIL SAE 5W-301 qt | View on Amazon |
| LUCAS OIL Fits: 3.6L V6 | 18005 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Full Synthetic Motor Oil SAE 5W-306 Gallon | View on Amazon |
| LUCAS OIL Fits: 3.6L V6 | 18008 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Full Synthetic Motor Oil SAE 0W-306 Gallon | View on Amazon |
| MOBIL Fits: 3.6L V6 | 112627 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Extended Performance 5W-30Mobil 1 Extended Performance | View on Amazon |
| MOBIL Fits: 3.6L V6 | 124595 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Truck & SUV 5W-30Mobil 1 Truck & SUV | View on Amazon |
| PENTOSIN Fits: 3.6L V6 | 8044214 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 5W-30-Pentospeed-DEXOS1 GEN31 Liter | View on Amazon |
| PENTOSIN Fits: 3.6L V6 | 8044216 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 5W-30-Pentospeed-DEXOS1 GEN35 Liters | View on Amazon |
| VALVOLINE Fits: 3.6L V6 | VV955 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Advanced Protection Full Synthetic SAE 5W-301 Quart | View on Amazon |
| VALVOLINE Fits: 3.6L V6 | 891678 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Extended Protection Full Synthetic SAE 5W-301 Quart | View on Amazon |
| VALVOLINE Fits: 3.6L V6 | 891670 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Extended Protection Full Synthetic SAE 5W-30Easy Pour 5 Quart | View on Amazon |
| VALVOLINE Fits: 3.6L V6 | 881164 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Advanced Protection Full Synthetic SAE 5W-30Easy Pour 5 Quart | View on Amazon |
High Mileage (>75,000 Miles)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOBIL Fits: 3.6L V6 | 123842 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Extended Performance High Mileage 5W-30Synthetic | View on Amazon |
| MOBIL Fits: 3.6L V6 | 103767 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | High Mileage 5W-30Mobil 1 High Mileage | View on Amazon |
This table covers the engine oils listed by grade and specification for this engine. Typical signs include a low-oil lamp, knocking after a long interval, or oil that has gone thin and black well before the next service. Match the viscosity and spec in the notes (and on the filler cap). The tables group grades — they are not interchangeable.
20 Oil parts are listed for the 2023 GMC Acadia, from MOBIL, LIQUI MOLY, VALVOLINE and 3 other brands. ACDELCO 109324 carries the "Popular" badge.
In the Full Synthetic grade, LIQUI MOLY, MOBIL, VALVOLINE and 3 other brands supply 18 parts: full-synthetic oils. A representative part number is ACDELCO 109324.
The High Mileage (>75,000 Miles) section lists 2 options from MOBIL — oils grouped for high-mileage engines. MOBIL 123842 is listed in this group.
Oil Cooler
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 12662732 | 🇺🇸 US 🇨🇦 CA | Trans. Code 9T659 speed Automatic trans. | View on Amazon |
This table covers the heat exchangers that cool engine oil. Typical signs include oil at the cooler fittings, or coolant that looks like a milkshake. Pressure-test both circuits after a cooler swap — a leak here mixes oil and coolant.
One part is listed for the 2023 GMC Acadia — GM GENUINE 12662732.
Oil Cooler Line
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 12662673 | 🇺🇸 US 🇨🇦 CA | InletTrans.Code 9T65 | View on Amazon |
This table covers the Oil Cooler lines. Typical signs include a wet fitting, a rusted pipe, or a pressure loss in this circuit. Flare or thread the new line the way the notes specify; a kinked replacement will fail early.
One part is listed for the 2023 GMC Acadia — GM GENUINE 12662673.
Oil Cooler Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 12733672 | 🇺🇸 US 🇨🇦 CA | Round | View on Amazon |
This table covers the seals at the Oil Cooler. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.
This group shows a single part: GM GENUINE 12733672.
Oil Dipstick / Tube
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 12666871 | 🇺🇸 US 🇨🇦 CA | Dipstick Only | View on Amazon |
| GM GENUINE Fits: 3.6L V6 | 12672635 | 🇺🇸 US 🇨🇦 CA | Tube Only | View on Amazon |
This table covers the Oil Dipstick tubes.
GM GENUINE supplies both parts for the 2023 GMC Acadia.
Part numbers include GM GENUINE 12666871 and GM GENUINE 12672635.
Oil Dipstick / Tube Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Fits: 3.6L V6 | 73889 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| GM GENUINE Fits: 3.6L V6 | 24504031 | 🇺🇸 US 🇨🇦 CA | 6.07 ID1.78 Diameter | View on Amazon |
| GM GENUINE Fits: 3.6L V6 | 12670252 | 🇺🇸 US 🇨🇦 CA | Denali or SLE Model or SLT ModelPURPLE | View on Amazon |
This table covers the seals at the Oil Dipstick / Tube. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.
3 Oil Dipstick / Tube Seal parts for the 2023 GMC Acadia come from 2 brands — GM GENUINE and FEL-PRO.
This group includes FEL-PRO 73889, GM GENUINE 24504031 and GM GENUINE 12670252.
Oil Drain Plug
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: 3.6L V6 | 090948CD | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| DORMAN Fits: 3.6L V6 | 090948 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | M12-1.7515MM Hex Head T45 Torx | View on Amazon |
| GM GENUINE Fits: 3.6L V6 | 55577568 | 🇺🇸 US 🇨🇦 CA | M12X1.75X18Hex Head with Internal T45 Torx | View on Amazon |
This table covers the drain plugs in the oil pan.
3 Oil Drain Plug parts are listed for the 2023 GMC Acadia, from DORMAN and GM GENUINE.
Part numbers include DORMAN 090948CD, DORMAN 090948 and GM GENUINE 55577568.
Oil Drain Plug Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular Fits: 3.6L V6 | 12616850 | 🇺🇸 US 🇨🇦 CA | Diameter 19.39 | View on Amazon |
| AJUSA Fits: 3.6L V6 | 01288800 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| DORMAN Fits: 3.6L V6 | 097119 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rubber Gasket | View on Amazon |
| DORMAN Fits: 3.6L V6 | 97119 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rubber GasketRubber | View on Amazon |
| VICTOR REINZ Fits: 3.6L V6 | 711351300 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 0.4150 IN Inside Diameter | View on Amazon |
This table covers the crush washers and gaskets under the oil drain plug. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.
5 Oil Drain Plug Gasket parts for the 2023 GMC Acadia come from 4 brands — DORMAN, GM GENUINE, AJUSA and 1 other brand. The "Popular" part is GM GENUINE 12616850.
Listed part numbers: GM GENUINE 12616850, AJUSA 01288800 and DORMAN 097119, plus the other parts above.
Oil Filler Cap
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Fits: 3.6L V6 | FC268 | 🇺🇸 US 🇨🇦 CA | GM Original Equipment | View on Amazon |
| CALORSTAT Fits: 3.6L V6 | OC2314 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | PlasticTwist-On | View on Amazon |
| MOTORAD Fits: 3.6L V6 | MO190 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the caps on the oil filler neck.
3 Oil Filler Cap parts are listed for the 2023 GMC Acadia, from ACDELCO, CALORSTAT and MOTORAD.
Part numbers include ACDELCO FC268, CALORSTAT OC2314 and MOTORAD MO190.
Oil Filler Cap Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 24100002 | 🇺🇸 US 🇨🇦 CA | Size # 32027.94MM Inner Diameter | View on Amazon |
This table covers the gaskets that seal the Oil Filler Cap. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.
This group shows a single part: GM GENUINE 24100002.
Oil Filler Tube
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 12686973 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Oil Filler tubes.
One part is listed for the 2023 GMC Acadia — GM GENUINE 12686973.
Oil Filter
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CHAMP / LUBER-FINER Fits: 3.6L V6 | PH1500 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| FRAM Fits: 3.6L V6 | FE10575 | 🇺🇸 US 🇨🇦 CA | Spin-OnTough Guard or Synthetic Endurance | View on Amazon |
| FVP Fits: 3.6L V6 | R0412 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| PRO-TEC Fits: 3.6L V6 | PXL10412 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| VARIOUS MFR Fits: 3.6L V6 | UPG63R | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
High Performance / Heavy Duty
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOBIL Popular Fits: 3.6L V6 | M1212A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Extended Performance | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular Fits: 3.6L V6 | PF63A | 🇺🇸 US 🇨🇦 CA | SilverBlack Shell | View on Amazon |
| HASTINGS / BALDWIN Fits: 3.6L V6 | B40144 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| WIX Fits: 3.6L V6 | WL10412 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Factory filled synthetic oil | View on Amazon |
This table covers the oil filters that screw onto this engine's filter mount. Typical signs include low oil pressure after a service, or a filter that will not spin off because the old gasket stayed on the block. Lube the new gasket and tighten to the spec on the box; a double-gasket install dumps the sump on the first drive.
9 Oil Filter parts are listed for the 2023 GMC Acadia, from CHAMP / LUBER-FINER, FRAM, FVP and 6 other brands. MOBIL M1212A carries the "Popular" badge.
In the Economy grade, CHAMP / LUBER-FINER, FRAM, FVP and 2 other brands supply 5 parts: the catalog's value-priced group. A representative part number is CHAMP / LUBER-FINER PH1500.
In the High Performance / Heavy Duty grade, MOBIL supplies 1 part: grouped under the catalog's "High Performance / Heavy Duty" designation — the notes column spells out what sets them apart. A representative part number is MOBIL M1212A.
The Standard Replacement section lists 3 options from ACDELCO, HASTINGS / BALDWIN and WIX — built to original-equipment specification. ACDELCO PF63A is listed in this group.
Part numbers include MOBIL M1212A, CHAMP / LUBER-FINER PH1500 and FRAM FE10575, among others listed above.
Oil Galley Plug
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 11562126 | 🇺🇸 US 🇨🇦 CA | Cylinder HeadCup, 32.03X7.88X1.27, S30400 Stainless Steel Per SAE J405 | View on Amazon |
| GM GENUINE Fits: 3.6L V6 | 09427693 | 🇺🇸 US 🇨🇦 CA | Engine Block61 Outside Diameter, .25 Thick | View on Amazon |
| GM GENUINE Fits: 3.6L V6 | 12691176 | 🇺🇸 US 🇨🇦 CA | Engine Block16.58 X 13.64 | View on Amazon |
This table covers the Oil Galley plugs. Typical signs include a leak at the drain or glow-plug hole, or a plug that has rounded off. Replace the crush washer and torque to the spec in the notes.
GM GENUINE supplies the 3 Oil Galley Plug parts for the 2023 GMC Acadia.
Part numbers include GM GENUINE 11562126, GM GENUINE 09427693 and GM GENUINE 12691176.
Oil Level Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 12696433 | 🇺🇸 US 🇨🇦 CA | Trans. Code 9T659 speed Automatic trans. | View on Amazon |
This table covers the Oil Level sensors. Typical signs include a warning lamp, a stored code, or a reading that drops out when the harness is wiggled. Inspect the connector and ground before replacing the sensor — wiring faults are often condemned as bad sensors.
One part is listed for the 2023 GMC Acadia — GM GENUINE 12696433.
Oil Level Sensor Gasket / O-Ring
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 12638820 | 🇺🇸 US 🇨🇦 CA | Material: Rubber | View on Amazon |
This table covers the Oil Level Sensor Gasket O-rings. Typical signs include a seep at a fitting or a housing that weeps after a service. Lube the new O-ring with the fluid it will see, and do not roll it into the groove.
One part is listed for the 2023 GMC Acadia — GM GENUINE 12638820.
Oil Pan
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: 3.6L V6 | 264884 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Lower | View on Amazon |
| GM GENUINE Fits: 3.6L V6 | 12647615 | 🇺🇸 US 🇨🇦 CA | Lower | View on Amazon |
| SKP Fits: 3.6L V6 | SK264884 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Lower | View on Amazon |
| SPECTRA PREMIUM Fits: 3.6L V6 | GMP133A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Lower | View on Amazon |
This table covers the oil pans that hold the engine's oil sump.
4 Oil Pan parts for the 2023 GMC Acadia come from 4 brands — DORMAN, GM GENUINE, SKP and 1 other brand.
This group includes DORMAN 264884, GM GENUINE 12647615 and SKP SK264884 and the remaining parts above.
Oil Pan Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 11588726 | 🇺🇸 US 🇨🇦 CA | M8X1.25X40.7 | View on Amazon |
| GM GENUINE Fits: 3.6L V6 | 11588725 | 🇺🇸 US 🇨🇦 CA | M8X1.25X35 | View on Amazon |
| GM GENUINE Fits: 3.6L V6 | 11588694 | 🇺🇸 US 🇨🇦 CA | M8X1.25X120 | View on Amazon |
| GM GENUINE Fits: 3.6L V6 | 11588732 | 🇺🇸 US 🇨🇦 CA | M8X1X70Hex Flange Head | View on Amazon |
This table covers the Oil Pan bolts.
GM GENUINE supplies the 4 Oil Pan Bolt parts for the 2023 GMC Acadia.
Listed part numbers: GM GENUINE 11588726, GM GENUINE 11588725 and GM GENUINE 11588694, plus the other parts above.
Oil Pan Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 12647081 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the gaskets between the oil pan and the block. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.
One part is listed for the 2023 GMC Acadia — GM GENUINE 12647081.
Oil Pump
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 12741263 | 🇺🇸 US 🇨🇦 CA | Alternate Pressure Springs Included: YES | View on Amazon |
This table covers the Oil pumps. Typical signs include noise from the pump, no pressure, or fluid that never arrives at the outlet. Prime or fill the pump as the notes require. A dry start is a common way to kill a new unit.
One part is listed for the 2023 GMC Acadia — GM GENUINE 12741263.
Oil Pump Chain
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 12694716 | 🇺🇸 US 🇨🇦 CA | OIL PUMP DRIVE CHAIN | View on Amazon |
This table covers the chains that drive the oil pump.
This group shows a single part: GM GENUINE 12694716.
Oil Pump Control Valve / Solenoid
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 12741262 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS Fits: 3.6L V6 | OPS404 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the Oil Pump Control Valve solenoids. Typical signs include a harsh or missing shift, or a code for this solenoid circuit. Check resistance and the connector before dropping the pan for a solenoid.
2 Oil Pump Control Valve / Solenoid parts for the 2023 GMC Acadia come from 2 brands — GM GENUINE and STANDARD MOTOR PRODUCTS.
Listed part numbers: GM GENUINE 12741262 and STANDARD MOTOR PRODUCTS OPS404.
Oil Pump Pickup Tube Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Fits: 3.6L V6 | 73744 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| GM GENUINE Fits: 3.6L V6 | 12637179 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the gaskets that seal the Oil Pump Pickup Tube. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.
2 Oil Pump Pickup Tube Gasket parts for the 2023 GMC Acadia come from 2 brands — FEL-PRO and GM GENUINE.
This group includes FEL-PRO 73744 and GM GENUINE 12637179.
Oil Pump Sprocket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 12669395 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Oil Pump sprockets.
This group shows a single part: GM GENUINE 12669395.
Piston
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 12674055 | 🇺🇸 US 🇨🇦 CA | Right | View on Amazon |
| GM GENUINE Fits: 3.6L V6 | 12674056 | 🇺🇸 US 🇨🇦 CA | Left | View on Amazon |
This table covers the pistons that travel in each cylinder. Typical signs include knock, blow-by, or a cylinder that will not hold compression. Piston work is a short-block job. Match bore, pin and ring pack in the notes — not the photo.
2 Piston parts for the 2023 GMC Acadia come from GM GENUINE.
This group includes GM GENUINE 12674055 and GM GENUINE 12674056.
Piston Pin Retainer
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 12647160 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Piston Pin retainers.
One part is listed for the 2023 GMC Acadia — GM GENUINE 12647160.
Piston Ring
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 12705385 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| HASTINGS MANUFACTURING Fits: 3.6L V6 | 2N5670 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Full Setfor 2 Ring Piston | View on Amazon |
This table covers the rings that seal each piston to the cylinder wall.
2 Piston Ring parts for the 2023 GMC Acadia come from 2 brands — GM GENUINE and HASTINGS MANUFACTURING.
Listed part numbers: GM GENUINE 12705385 and HASTINGS MANUFACTURING 2N5670.
Rocker Arm
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 12654646 | 🇺🇸 US 🇨🇦 CA | INCLUDES RETAINING CLIP | View on Amazon |
| GM GENUINE Fits: 3.6L V6 | 12666601 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the rocker arms that transfer cam motion to the valves.
GM GENUINE supplies both parts for the 2023 GMC Acadia.
Part numbers include GM GENUINE 12654646 and GM GENUINE 12666601.
Rocker Arm Nut
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 11546449 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
This table covers the Rocker Arm nuts.
This group shows a single part: GM GENUINE 11546449.
Timing Chain
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 12647895 | 🇺🇸 US 🇨🇦 CA | CAMSHAFT DRIVE CHAIN | View on Amazon |
This table covers the timing chains that keep the cams in time with the crank.
This group shows a single part: GM GENUINE 12647895.
Timing Chain & Component Kit
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 12713649 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers kits that group a timing chain with the related tensioners and guides.
One part is listed for the 2023 GMC Acadia — GM GENUINE 12713649.
Timing Chain Guide / Damper
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 11588725 | 🇺🇸 US 🇨🇦 CA | GUIDE BOLT ONLYDenali or SLE Model or SLT Model | View on Amazon |
| GM GENUINE Fits: 3.6L V6 | 11561619 | 🇺🇸 US 🇨🇦 CA | Guide Bolt Onlywith Adhesive | View on Amazon |
This table covers the guides and dampers that keep the timing chain on its path.
2 Timing Chain Guide / Damper parts for the 2023 GMC Acadia come from GM GENUINE.
Listed part numbers: GM GENUINE 11588725 and GM GENUINE 11561619.
Timing Chain Tensioner
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 12713641 | 🇺🇸 US 🇨🇦 CA | Mounting Bracket Included: No | View on Amazon |
| GM GENUINE Fits: 3.6L V6 | 12713639 | 🇺🇸 US 🇨🇦 CA | Mounting Bracket Included: No | View on Amazon |
| GM GENUINE Fits: 3.6L V6 | 12713640 | 🇺🇸 US 🇨🇦 CA | LeftINCLUDES RETAINER without BOLTS AND GASKET | View on Amazon |
| GM GENUINE Fits: 3.6L V6 | 12713638 | 🇺🇸 US 🇨🇦 CA | FOR OIL PUMP CHAINwithout BOLTS AND RETAINERS | View on Amazon |
This table covers the tensioners that keep the timing chain taut. Typical signs include belt flutter, a chirp that returns after a new belt, or an arm that no longer damps. Replace the tensioner with the belt at higher mileage.
GM GENUINE supplies the 4 Timing Chain Tensioner parts for the 2023 GMC Acadia.
Part numbers include GM GENUINE 12713641, GM GENUINE 12713639 and GM GENUINE 12713640, among others listed above.
Timing Cover
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 12729377 | 🇺🇸 US 🇨🇦 CA | Mounting Hardware Included: YES | View on Amazon |
This table covers the Timing covers.
This group shows a single part: GM GENUINE 12729377.
Timing Cover Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 11548002 | 🇺🇸 US 🇨🇦 CA | Denali or SLE Model or SLT ModelM5X0.8X17 | View on Amazon |
| GM GENUINE Fits: 3.6L V6 | 11548171 | 🇺🇸 US 🇨🇦 CA | Use with Adhesive 19333511M6X1X43 | View on Amazon |
This table covers the Timing Cover bolts.
GM GENUINE supplies both parts for the 2023 GMC Acadia.
This group includes GM GENUINE 11548002 and GM GENUINE 11548171.
Timing Cover Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 12647891 | 🇺🇸 US 🇨🇦 CA | Left | View on Amazon |
| GM GENUINE Fits: 3.6L V6 | 12647888 | 🇺🇸 US 🇨🇦 CA | Right | View on Amazon |
This table covers the gaskets that seal the Timing Cover. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.
GM GENUINE supplies both parts for the 2023 GMC Acadia.
Part numbers include GM GENUINE 12647891 and GM GENUINE 12647888.
Timing Cover Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 12741846 | 🇺🇸 US 🇨🇦 CA | Front UpperDenali or SLE Model or SLT Model | View on Amazon |
This table covers the seals at the Timing Cover. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.
One part is listed for the 2023 GMC Acadia — GM GENUINE 12741846.
Turbocharger Oil Line Gasket / O-Ring
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 12662187 | 🇺🇸 US 🇨🇦 CA | M16 WasherHeavy Duty Cooling (V08) | View on Amazon |
This table covers the Turbocharger Oil Line Gasket O-rings. Typical signs include a seep at a fitting or a housing that weeps after a service. Lube the new O-ring with the fluid it will see, and do not roll it into the groove.
One part is listed for the 2023 GMC Acadia — GM GENUINE 12662187.
Turbocharger Wastegate Solenoid / Actuator Retainer
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 55503301 | 🇺🇸 US 🇨🇦 CA | Denali or SLE Model or SLT ModelWastegate Valve | View on Amazon |
This table covers the Turbocharger Wastegate Solenoid / Actuator retainers.
One part is listed for the 2023 GMC Acadia — GM GENUINE 55503301.
Valve Cover
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 12714147 | 🇺🇸 US 🇨🇦 CA | Mounting Hardware Included: YES | View on Amazon |
| GM GENUINE Fits: 3.6L V6 | 12714148 | 🇺🇸 US 🇨🇦 CA | Mounting Hardware Included: YES | View on Amazon |
This table covers the Valve covers.
2 Valve Cover parts for the 2023 GMC Acadia come from GM GENUINE.
Part numbers include GM GENUINE 12714147 and GM GENUINE 12714148.
Valve Cover Bolt / Screw
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 11547061 | 🇺🇸 US 🇨🇦 CA | Bolt Type: Hex Flanged | View on Amazon |
This table covers the Valve Cover Bolt screws. Typical signs include a rounded head, a seeping bleeder, or a fastener that will not hold torque. Do not force a new screw into a stripped hole — repair the thread first.
This group shows a single part: GM GENUINE 11547061.
Valve Cover Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular Fits: 3.6L V6 | 12649906 | 🇺🇸 US 🇨🇦 CA | Left | View on Amazon |
| AJUSA Fits: 3.6L V6 | 56089000 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Right | View on Amazon |
| AJUSA Fits: 3.6L V6 | 56089100 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Left | View on Amazon |
| GM GENUINE Fits: 3.6L V6 | 12649907 | 🇺🇸 US 🇨🇦 CA | Right | View on Amazon |
| MAHLE / CLEVITE Fits: 3.6L V6 | VS50915 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | SetMolded Rubber | View on Amazon |
This table covers the gaskets that seal the valve cover to the cylinder head. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.
5 Valve Cover Gasket parts are listed for the 2023 GMC Acadia, from GM GENUINE, AJUSA and MAHLE / CLEVITE. GM GENUINE 12649906 carries the "Popular" badge.
Listed part numbers: GM GENUINE 12649906, AJUSA 56089000 and AJUSA 56089100, plus the other parts above.
Valve Cover Washer
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 12654651 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Valve Cover washers.
This group shows a single part: GM GENUINE 12654651.
Valve Lifter
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular Fits: 3.6L V6 | HL129 | 🇺🇸 US 🇨🇦 CA | Sold Individually | View on Amazon |
| AJUSA Fits: 3.6L V6 | 85018700 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Intake | View on Amazon |
| AJUSA Fits: 3.6L V6 | 85024700 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Exhaust | View on Amazon |
| GM GENUINE Fits: 3.6L V6 | 12690246 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| SBI Fits: 3.6L V6 | VL175 | 🇺🇸 US 🇨🇦 CA | Hydraulic Lash Adjuster Type | View on Amazon |
This table covers the lifters / tappets that transfer cam motion to the valves.
5 Valve Lifter parts are listed for the 2023 GMC Acadia, from GM GENUINE, AJUSA and SBI. GM GENUINE HL129 carries the "Popular" badge.
Listed part numbers: GM GENUINE HL129, AJUSA 85018700 and AJUSA 85024700, plus the other parts above.
Valve Spring
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MELLING Fits: 3.6L V6 | VS1700 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| SBI Fits: 3.6L V6 | 1601700 | 🇺🇸 US 🇨🇦 CA | Conical | View on Amazon |
This table covers the springs that close each intake and exhaust valve. Typical signs include a sagging corner, a broken coil, or a clunk from the spring pocket. Replace springs in axle pairs and inspect the seats.
2 Valve Spring parts for the 2023 GMC Acadia come from 2 brands — MELLING and SBI.
Part numbers include MELLING VS1700 and SBI 1601700.
Valve Spring Retainer
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MELLING Fits: 3.6L V6 | VSR723 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the Valve Spring retainers.
This group shows a single part: MELLING VSR723.
Valve Spring Retainer Keeper
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SBI Fits: 3.6L V6 | 1211098 | 🇺🇸 US 🇨🇦 CA | Intake and Exhaust0.2050 Length | View on Amazon |
This table covers the keepers that lock each valve-spring retainer to the stem.
This group shows a single part: SBI 1211098.
Valve Stem Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular Fits: 3.6L V6 | 12668832 | 🇺🇸 US 🇨🇦 CA | SINGLE USE | View on Amazon |
| FEL-PRO Fits: 3.6L V6 | SS74089 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Set | View on Amazon |
| GM GENUINE Fits: 3.6L V6 | 55490063 | 🇺🇸 US 🇨🇦 CA | ExhaustDenali or SLE Model or SLT Model | View on Amazon |
| MAHLE / CLEVITE Fits: 3.6L V6 | SS46124 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | SetMetal with Molded Rubber | View on Amazon |
| SBI Fits: 3.6L V6 | 1221509 | 🇺🇸 US 🇨🇦 CA | Intake and ExhaustViton Material | View on Amazon |
This table covers the seals on each valve stem that control oil into the guides. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.
5 Valve Stem Seal parts are listed for the 2023 GMC Acadia, from GM GENUINE, FEL-PRO, MAHLE / CLEVITE and 1 other brand. GM GENUINE 12668832 carries the "Popular" badge.
Listed part numbers: GM GENUINE 12668832, FEL-PRO SS74089 and GM GENUINE 55490063, plus the other parts above.
Variable Valve Timing (VVT) Solenoid / Actuator
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Popular Fits: 3.6L V6 | 916607 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Located in Timing Cover | View on Amazon |
| DORMAN Fits: 3.6L V6 | 916519 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fits ExhaustIn Valve Cover | View on Amazon |
| WELLS Fits: 3.6L V6 | 2T1315 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Engine Cam Profile Switching SolenoidLocated in Timing Cover | View on Amazon |
| WELLS Fits: 3.6L V6 | 2T1314 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Exhaustwith Angled Connector | View on Amazon |
| WELLS Fits: 3.6L V6 | 2T1322 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Intakewith Straight Connector | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular Fits: 3.6L V6 | 12732244 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| GM GENUINE Popular Fits: 3.6L V6 | 12679721 | 🇺🇸 US 🇨🇦 CA | Oil Control | View on Amazon |
| CLOYES Fits: 3.6L V6 | VTS211 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | FrontLocated in Timing Cover | View on Amazon |
| GM GENUINE Fits: 3.6L V6 | 12647904 | 🇺🇸 US 🇨🇦 CA | Mount Hole Quantity: 1 | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 3.6L V6 | VVT384 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Located in Timing Cover | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 3.6L V6 | VVT413 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Intake | View on Amazon |
This table covers the oil-control solenoids that command the cam phasers. Typical signs include a door or range that will not move, or a click with no motion. Confirm the command signal before replacing the actuator — a failed module looks the same.
11 Variable Valve Timing (VVT) Solenoid / Actuator parts are listed for the 2023 GMC Acadia, from WELLS, GM GENUINE, DORMAN and 2 other brands. DORMAN 916607 carries the "Popular" badge.
Economy: 5 parts, from WELLS and DORMAN. A representative part number is DORMAN 916607.
The Standard Replacement section: 6 options from GM GENUINE, STANDARD MOTOR PRODUCTS and CLOYES. GM GENUINE 12732244 is listed in this group.
Variable Valve Timing (VVT) Solenoid Gasket / Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 12663572 | 🇺🇸 US 🇨🇦 CA | Denali or SLE Model or SLT Model | View on Amazon |
| GM GENUINE Fits: 3.6L V6 | 12653143 | 🇺🇸 US 🇨🇦 CA | Front Cover | View on Amazon |
| GM GENUINE Fits: 3.6L V6 | 12649908 | 🇺🇸 US 🇨🇦 CA | FOR ROCKER ARM OIL CONTROL VALVE | View on Amazon |
| GM GENUINE Fits: 3.6L V6 | 12652336 | 🇺🇸 US 🇨🇦 CA | Camshaft Cover | View on Amazon |
This table covers the seals at the Variable Valve Timing (VVT) Solenoid Gasket. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.
4 Variable Valve Timing (VVT) Solenoid Gasket / Seal parts for the 2023 GMC Acadia come from GM GENUINE.
Part numbers include GM GENUINE 12663572, GM GENUINE 12653143 and GM GENUINE 12649908, among others listed above.
Variable Valve Timing (VVT) Sprocket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular Fits: 3.6L V6 | 12684806 | 🇺🇸 US 🇨🇦 CA | LeftEXH | View on Amazon |
| GM GENUINE Popular Fits: 3.6L V6 | 12684805 | 🇺🇸 US 🇨🇦 CA | RightEXH | View on Amazon |
| GM GENUINE Fits: 3.6L V6 | 12690958 | 🇺🇸 US 🇨🇦 CA | RightINT | View on Amazon |
| GM GENUINE Fits: 3.6L V6 | 12690959 | 🇺🇸 US 🇨🇦 CA | LeftINT | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 3.6L V6 | VVT613 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Exhaust (Right) | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 3.6L V6 | VVT612 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Exhaust (Left) | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 3.6L V6 | VVT616 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Intake (Right) | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 3.6L V6 | VVT615 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Intake (Left) | View on Amazon |
This table covers the cam phaser sprockets used by the variable-valve-timing system.
8 Variable Valve Timing (VVT) Sprocket parts are listed for the 2023 GMC Acadia, from GM GENUINE and STANDARD MOTOR PRODUCTS. GM GENUINE 12684806 carries the "Popular" badge.
Listed part numbers: GM GENUINE 12684806, GM GENUINE 12684805 and GM GENUINE 12690958, plus the other parts above.
Buying Engine Parts for a 2023 GMC Acadia
On this vehicle, the engine covers the internals and hard parts that build compression and keep oil where it belongs — gaskets, bearings, camshafts, lifters, seals and timing components.
- Match the engine first. Every engine part here is engine-specific; each row shows which engine(s) it fits.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, replace the seals and gaskets for anything you open up; a timing job should always include the tensioner and guides, not just the belt or chain.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Oil and Variable Valve Timing (VVT) Solenoid / Actuator .
Frequently Asked Questions
How many engine parts fit the 2023 GMC Acadia?
Our catalog currently lists 211 engine parts for the 2023 GMC Acadia across 82 subcategories and 34 brands, covering both the 2.0L L4 Turbocharged and the 3.6L V6. Each part is matched to the engine(s) it fits.
Do engine parts differ between 2023 GMC Acadia engines?
Yes. Every engine part on this page is engine-specific. Each row shows which engine(s) it fits — use the filter at the top to hide the rest. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.
What are the signs of engine problems on a 2023 GMC Acadia?
Common symptoms include oil spots under the vehicle, blue or white exhaust smoke, ticking from the valvetrain, or coolant mysteriously disappearing. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What oil viscosity is listed for the 2023 GMC Acadia?
Oil rows on this page include SAE 0W-30 and SAE 5W-30. Confirm the engine and the weight on the filler cap before you buy — high-mileage and standard fills can differ.
What should I replace at the same time?
Where labor overlaps, replace the seals and gaskets for anything you open up; a timing job should always include the tensioner and guides, not just the belt or chain.
What do the market flags (US, CA, MX) on each part mean?
They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 2023 GMC Acadia was originally sold in the US, the safest choice is a part marked for the US market.
How do I make sure a part fits my 2023 GMC Acadia?
First match the engine — each row shows which engine(s) the part fits. Then engine hard parts are unforgiving of guesswork — confirm the casting or engine code before ordering, because one model year can hide two different blocks. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2023 GMC Acadia
Engine Parts for Other GMC Acadia Years
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