The 2020 Chevrolet Silverado 1500 has 171 engine parts with verified fitment on this page — 80 part types and 29 brands, covering all 5 engine options (2.7L L4 Turbocharged, 3.0L L6 DIESEL Turbocharged, 4.3L V6, 5.3L V8 and 6.2L V8). Each part includes a manufacturer part number and application notes.
On the 2020 Chevrolet Silverado 1500, 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. 26 parts of the 171 listed are Oil Filter (12 parts), Crankshaft Seal (8 parts) and Oil Cooler Gasket (6 parts). The other 77 part types cover the remaining 145 parts.
The 2020 Chevrolet Silverado 1500 was sold with 5 engines. Every part on this page is engine-specific. Each part shows which engine(s) it fits.
The most listed brands for 2020 Chevrolet Silverado 1500 engine parts are GM GENUINE (81 parts), ELRING (25 parts) and AJUSA (16 parts), plus 26 more brands. Quality grades include Standard Replacement, Economy and High Performance / Heavy Duty.
9 parts on this 2020 Chevrolet Silverado 1500 page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including GM GENUINE 40009072 (Crankshaft Seal) and GM GENUINE 40009079 (Cylinder Head Gasket). Click any part number to see every vehicle that part fits.
Balance Shaft Chain
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| S.A. GEAR Fits: 2.7L L4 Turbocharged | C1283 | 🇺🇸 US 🇨🇦 CA | Engine Code L3B | View on Amazon |
| S.A. GEAR Fits: 2.7L L4 Turbocharged | 76498P | 🇺🇸 US 🇨🇦 CA | Engine Code L3B | View on Amazon |
This table covers the chains that drive the balance shafts.
2 Balance Shaft Chain parts for the 2020 Chevrolet Silverado 1500 come from S.A. GEAR.
Part numbers include S.A. GEAR C1283 and S.A. GEAR 76498P.
Balance Shaft Chain Guide
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| S.A. GEAR Fits: 2.7L L4 Turbocharged | 71357 | 🇺🇸 US 🇨🇦 CA | Engine Code L3B | View on Amazon |
This table covers the guides that keep the balance-shaft chain on its path.
This group shows a single part: S.A. GEAR 71357.
Balance Shaft Chain Tensioner
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| S.A. GEAR Fits: 2.7L L4 Turbocharged | 91498 | 🇺🇸 US 🇨🇦 CA | Engine Code L3B | View on Amazon |
This table covers the Balance Shaft Chain tensioners. 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.
One part is listed for the 2020 Chevrolet Silverado 1500 — S.A. GEAR 91498.
Balance Shaft Sprocket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| S.A. GEAR Fits: 2.7L L4 Turbocharged | S1596 | 🇺🇸 US 🇨🇦 CA | DrivenEngine Code L3B | View on Amazon |
This table covers the Balance Shaft sprockets.
This group shows a single part: S.A. GEAR S1596.
Camshaft
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 55508605 | 🇺🇸 US 🇨🇦 CA | Exhaust | View on Amazon |
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 55508606 | 🇺🇸 US 🇨🇦 CA | Intake10 speed Automatic trans. | View on Amazon |
This table covers the camshafts that open the valves.
2 Camshaft parts for the 2020 Chevrolet Silverado 1500 come from GM GENUINE.
This group includes GM GENUINE 55508605 and GM GENUINE 55508606.
Camshaft Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 55496367 | 🇺🇸 US 🇨🇦 CA | Single UseSprocket Bolt | View on Amazon |
This table covers the Camshaft bolts.
One part is listed for the 2020 Chevrolet Silverado 1500 — GM GENUINE 55496367.
Circular / Semi-Circular Plug
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 2.7L L4 Turbocharged | 11546667 | 🇺🇸 US 🇨🇦 CA | Thread Diameter (In): 0.63 In | View on Amazon |
This table covers the Circular / Semi-Circular 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.
One part is listed for the 2020 Chevrolet Silverado 1500 — GM GENUINE 11546667.
Connecting Rod Bearing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 55490523 | 🇺🇸 US 🇨🇦 CA | Lower10 speed Automatic trans. | 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.
This group shows a single part: GM GENUINE 55490523.
Conversion / Lower Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA Fits: 2.7L L4 Turbocharged | 54324900 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| AJUSA Fits: 3.0L L6 DIESEL Turbocharged | 54354100 | 🇺🇸 US 🇨🇦 CA | 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.
2 Conversion / Lower Gasket Set parts for the 2020 Chevrolet Silverado 1500 come from AJUSA.
This group includes AJUSA 54324900 and AJUSA 54354100.
Crankcase Pressure Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Fits: 3.0L L6 DIESEL Turbocharged | 55509813 | 🇺🇸 US 🇨🇦 CA | GM Original Equipment | View on Amazon |
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 12740187 | 🇺🇸 US 🇨🇦 CA | Fits Crew Cab Pickup69.9" bed | View on Amazon |
This table covers the Crankcase pressure sensors. Typical signs include a check-engine light for MAP or fuel-rail pressure, or a limp mode under load. A vacuum leak or a clogged reference line will fake a bad pressure sensor.
2 Crankcase Pressure Sensor parts are listed for the 2020 Chevrolet Silverado 1500, from ACDELCO and GM GENUINE.
This group includes ACDELCO 55509813 and GM GENUINE 12740187.
Crankshaft
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 40009035 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the crankshafts that turn piston motion into rotation.
This group shows a single part: GM GENUINE 40009035.
Crankshaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular Fits: 3.0L L6 DIESEL Turbocharged | 40009072 | 🇺🇸 US 🇨🇦 CA | Rear10 speed Automatic trans. | View on Amazon |
| AJUSA Fits: 2.7L L4 Turbocharged | 71015600 | 🇺🇸 US 🇨🇦 CA | Front | View on Amazon |
| AJUSA Fits: 2.7L L4 Turbocharged | 71017300 | 🇺🇸 US 🇨🇦 CA | Rear | View on Amazon |
| AJUSA Fits: 3.0L L6 DIESEL Turbocharged | 15136500 | 🇺🇸 US 🇨🇦 CA | Rear101 X 130 X 9 | View on Amazon |
| AJUSA Fits: 3.0L L6 DIESEL Turbocharged | 71018500 | 🇺🇸 US 🇨🇦 CA | FrontClockwise | View on Amazon |
| ELRING Fits: 3.0L L6 DIESEL Turbocharged | 815320 | 🇺🇸 US 🇨🇦 CA | Fits 4WDHigh Country | View on Amazon |
| GM GENUINE Fits: 2.7L L4 Turbocharged | 12693989 | 🇺🇸 US 🇨🇦 CA | Width: 1.7 In | View on Amazon |
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 55509254 | 🇺🇸 US 🇨🇦 CA | Front10 speed transmission | 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.
8 Crankshaft Seal parts are listed for the 2020 Chevrolet Silverado 1500, from AJUSA, GM GENUINE and ELRING. GM GENUINE 40009072 carries the "Popular" badge.
Listed part numbers: GM GENUINE 40009072, AJUSA 71015600 and AJUSA 71017300, plus the other parts above.
Crankshaft Seal Cover
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 2.7L L4 Turbocharged | 12741554 | 🇺🇸 US 🇨🇦 CA | Rear8 speed Automatic trans. | View on Amazon |
This table covers the Crankshaft Seal covers.
This group shows a single part: GM GENUINE 12741554.
Cylinder Head
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 2.7L L4 Turbocharged | 12733805 | 🇺🇸 US 🇨🇦 CA | Guide Plates Included: No | View on Amazon |
This table covers the cylinder heads that close the top of the block.
One part is listed for the 2020 Chevrolet Silverado 1500 — GM GENUINE 12733805.
Cylinder Head Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA Fits: 3.0L L6 DIESEL Turbocharged | 81092300 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 11547739 | 🇺🇸 US 🇨🇦 CA | 10 Speed Transmission10 speed Automatic trans. | View on Amazon |
This table covers the bolts that clamp the cylinder head to the block.
2 Cylinder Head Bolt parts for the 2020 Chevrolet Silverado 1500 come from 2 brands — AJUSA and GM GENUINE.
Listed part numbers: AJUSA 81092300 and GM GENUINE 11547739.
Cylinder Head Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular Fits: 3.0L L6 DIESEL Turbocharged | 40009079 | 🇺🇸 US 🇨🇦 CA | 10 Speed Transmission10 speed Automatic trans. | View on Amazon |
| ELRING Fits: 3.0L L6 DIESEL Turbocharged | 589121 | 🇺🇸 US 🇨🇦 CA | Diameter [MM]: 85,3Installed Thickness [MM]: 1,3 | View on Amazon |
| ELRING Fits: 3.0L L6 DIESEL Turbocharged | 589141 | 🇺🇸 US 🇨🇦 CA | Diameter [MM]: 85,3Piston Protrusion From [MM]: 0,665 | View on Amazon |
| ELRING Fits: 3.0L L6 DIESEL Turbocharged | 589131 | 🇺🇸 US 🇨🇦 CA | Installed Thickness [MM]: 1,4Piston Protrusion From [MM]: 0,550 | View on Amazon |
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 40009080 | 🇺🇸 US 🇨🇦 CA | 10 Speed Transmission10 speed Automatic trans. | 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.
5 Cylinder Head Gasket parts for the 2020 Chevrolet Silverado 1500 come from 2 brands — ELRING and GM GENUINE. The "Popular" part is GM GENUINE 40009079.
Part numbers include GM GENUINE 40009079, ELRING 589121 and ELRING 589141, among others listed above.
Cylinder Head Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA Fits: 3.0L L6 DIESEL Turbocharged | 53112800 | 🇺🇸 US 🇨🇦 CA | Does Not Include Cylinder Head Gasket | View on Amazon |
| ELRING Fits: 3.0L L6 DIESEL Turbocharged | 052070 | 🇺🇸 US 🇨🇦 CA | Fits 4WDHigh Country | 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.
2 Cylinder Head Gasket Set parts for the 2020 Chevrolet Silverado 1500 come from 2 brands — AJUSA and ELRING.
This group includes AJUSA 53112800 and ELRING 052070.
Cylinder Head Plug
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 11546667 | 🇺🇸 US 🇨🇦 CA | Thread Diameter (In): 0.63 In | View on Amazon |
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 11570754 | 🇺🇸 US 🇨🇦 CA | 10 Speed TransmissionCup | View on Amazon |
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 12691176 | 🇺🇸 US 🇨🇦 CA | 10 speed transmission10 Speed Automatic Trans. | View on Amazon |
This table covers the Cylinder Head 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 Cylinder Head Plug parts for the 2020 Chevrolet Silverado 1500.
Part numbers include GM GENUINE 11546667, GM GENUINE 11570754 and GM GENUINE 12691176.
Cylinder Head Temperature Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VNE Fits: 3.0L L6 DIESEL Turbocharged | 4931773 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Cylinder Head temperature sensors. Typical signs include hard cold starts, a fan that never comes on, or a gauge that disagrees with the scan tool. A sensor that reads open or shorted is usually the part; an implausible-but-smooth reading can be wiring.
One part is listed for the 2020 Chevrolet Silverado 1500 — VNE 4931773.
Engine Block Drain Plug
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 11548315 | 🇺🇸 US 🇨🇦 CA | 10 Speed Transmission10 speed Automatic trans. | View on Amazon |
This table covers the Engine Block drain plugs.
This group shows a single part: GM GENUINE 11548315.
Engine Block Heater
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 12586687 | 🇺🇸 US 🇨🇦 CA | SINGLE USE | View on Amazon |
This table covers the block heaters that warm the coolant or oil in cold weather.
One part is listed for the 2020 Chevrolet Silverado 1500 — GM GENUINE 12586687.
Engine Cover
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TECHPRO Fits: 3.0L L6 DIESEL Turbocharged | GM1228195 | 🇺🇸 US 🇨🇦 CA | Lowerwith Work Truck Package | View on Amazon |
| TECHPRO Fits: 3.0L L6 DIESEL Turbocharged | GM1228173 | 🇺🇸 US 🇨🇦 CA | Lower4WD | View on Amazon |
| VARIOUS MFR Fits: 3.0L L6 DIESEL Turbocharged | GM1228195 | 🇺🇸 US 🇨🇦 CA | Lowerwith Work Truck Package | View on Amazon |
This table covers the Engine covers.
3 Engine Cover parts for the 2020 Chevrolet Silverado 1500 come from 2 brands — TECHPRO and VARIOUS MFR.
Part numbers include TECHPRO GM1228195 and TECHPRO GM1228173, among others listed above.
Engine Cover Grommet
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 12737359 | 🇺🇸 US 🇨🇦 CA | 12.0 Diameter X 2.4 Deep | View on Amazon |
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 12661056 | 🇺🇸 US 🇨🇦 CA | 60 OD,45 ID | View on Amazon |
This table covers the Engine Cover grommets.
GM GENUINE supplies both parts for the 2020 Chevrolet Silverado 1500.
Listed part numbers: GM GENUINE 12737359 and GM GENUINE 12661056.
Engine Cover Retainer / Clip
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 10121502 | 🇺🇸 US 🇨🇦 CA | Head OD=17.8, Lengthfor 6.25mm Hole | View on Amazon |
This table covers the Engine Cover retainers and clips.
One part is listed for the 2020 Chevrolet Silverado 1500 — GM GENUINE 10121502.
Engine Kit Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA Fits: 3.0L L6 DIESEL Turbocharged | 51118100 | 🇺🇸 US 🇨🇦 CA | Does Not Include Cylinder Head Gasket | 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 51118100.
Exhaust Valve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MELLING Fits: 3.0L L6 DIESEL Turbocharged | V5846 | 🇺🇸 US 🇨🇦 CA | 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.
One part is listed for the 2020 Chevrolet Silverado 1500 — MELLING V5846.
Harmonic Balancer
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 55512109 | 🇺🇸 US 🇨🇦 CA | 10 Speed TransmissionPulley Only | 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 55512109.
Intake Insulator
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 12559120 | 🇺🇸 US 🇨🇦 CA | Cover Insulator | View on Amazon |
This table covers the Intake insulators.
This group shows a single part: GM GENUINE 12559120.
Intake Manifold
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 40009521 | 🇺🇸 US 🇨🇦 CA | 10 Speed TransmissionSee Clip 15411124 | 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 2020 Chevrolet Silverado 1500 — GM GENUINE 40009521.
Intake Manifold Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 11588352 | 🇺🇸 US 🇨🇦 CA | M6X1X48 | View on Amazon |
This table covers the Intake Manifold bolts.
This group shows a single part: GM GENUINE 11588352.
Intake Manifold Cover
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 40009488 | 🇺🇸 US 🇨🇦 CA | Fits Crew Cab Pickup69.9" bed | View on Amazon |
This table covers the Intake Manifold covers.
This group shows a single part: GM GENUINE 40009488.
Intake Manifold Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA Fits: 3.0L L6 DIESEL Turbocharged | 13366800 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| ELRING Fits: 3.0L L6 DIESEL Turbocharged | 813340 | 🇺🇸 US 🇨🇦 CA | Fits 4WDHigh Country | View on Amazon |
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 55503127 | 🇺🇸 US 🇨🇦 CA | Set | 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.
3 Intake Manifold Gasket parts for the 2020 Chevrolet Silverado 1500 come from 3 brands — AJUSA, ELRING and GM GENUINE.
Part numbers include AJUSA 13366800, ELRING 813340 and GM GENUINE 55503127.
Intake to Exhaust Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING Fits: 3.0L L6 DIESEL Turbocharged | 813350 | 🇺🇸 US 🇨🇦 CA | Fits Throttle Housing4WD | View on Amazon |
This table covers the gaskets that seal the Intake to Exhaust. 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 2020 Chevrolet Silverado 1500 — ELRING 813350.
Intake Valve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MELLING Fits: 3.0L L6 DIESEL Turbocharged | V5847 | 🇺🇸 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.
One part is listed for the 2020 Chevrolet Silverado 1500 — MELLING V5847.
Motor Mount
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DEA / MARMON RIDE CONTROL Fits: 3.0L L6 DIESEL Turbocharged | A20273 | 🇺🇸 US 🇨🇦 CA | Right | View on Amazon |
| DEA / MARMON RIDE CONTROL Fits: 3.0L L6 DIESEL Turbocharged | A20274 | 🇺🇸 US 🇨🇦 CA | Left | View on Amazon |
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 85623481 | 🇺🇸 US 🇨🇦 CA | Left4WD | View on Amazon |
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 85623482 | 🇺🇸 US 🇨🇦 CA | Mounting Hardware Included: YES | 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.
4 Motor Mount parts are listed for the 2020 Chevrolet Silverado 1500, from DEA / MARMON RIDE CONTROL and GM GENUINE.
This group includes DEA / MARMON RIDE CONTROL A20273, DEA / MARMON RIDE CONTROL A20274 and GM GENUINE 85623481 and the remaining parts above.
Motor Mount Bracket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 85126631 | 🇺🇸 US 🇨🇦 CA | Fits Right4WD | View on Amazon |
This table covers the brackets that mount the Motor Mount. Typical signs include a cracked mount, a rattle, or a bracket that no longer holds alignment. Confirm position in the notes. Many brackets look alike and bolt to different corners.
One part is listed for the 2020 Chevrolet Silverado 1500 — GM GENUINE 85126631.
Motor Mount Bracket Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 11588740 | 🇺🇸 US 🇨🇦 CA | M10X1.5X40 | View on Amazon |
This table covers the Motor Mount Bracket bolts.
This group shows a single part: GM GENUINE 11588740.
Oil
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Fits: 3.0L L6 DIESEL Turbocharged | 109277 | 🇺🇸 US | Dexos DFull Synthetic | View on Amazon |
| LIQUI MOLY Fits: 3.0L L6 DIESEL Turbocharged | 22190 | 🇺🇸 US 🇨🇦 CA | Top Tec 6610 0W-205 Liter | View on Amazon |
| MOBIL Fits: 3.0L L6 DIESEL Turbocharged | 125386 | 🇺🇸 US 🇨🇦 CA | ESP X2 0W-20ESP X2 Full Synthetic Motor Oil 0W-20, 1 Quart | 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.
3 Oil parts are listed for the 2020 Chevrolet Silverado 1500, from ACDELCO, LIQUI MOLY and MOBIL.
Part numbers include ACDELCO 109277, LIQUI MOLY 22190 and MOBIL 125386.
Oil Cooler
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Fits: 3.0L L6 DIESEL Turbocharged | 55507905 | 🇺🇸 US 🇨🇦 CA | GM Original Equipment | View on Amazon |
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 55509959 | 🇺🇸 US 🇨🇦 CA | 10 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.
2 Oil Cooler parts are listed for the 2020 Chevrolet Silverado 1500, from ACDELCO and GM GENUINE.
This group includes ACDELCO 55507905 and GM GENUINE 55509959.
Oil Cooler Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular Fits: 3.0L L6 DIESEL Turbocharged | 55488933 | 🇺🇸 US 🇨🇦 CA | GM Original Equipment | View on Amazon |
| DORMAN Popular Fits: 3.0L L6 DIESEL Turbocharged | 66219 | 🇺🇸 US 🇨🇦 CA | Seals Two Pipes | View on Amazon |
| ELRING Fits: 3.0L L6 DIESEL Turbocharged | 815420 | 🇺🇸 US 🇨🇦 CA | Number of Gaskets/Seals/Seal Rings: 3 | View on Amazon |
| ELRING Fits: 3.0L L6 DIESEL Turbocharged | 815560 | 🇺🇸 US 🇨🇦 CA | Material: AEM (Ethylene Acrylate Rubber)Shape: Ring Form | View on Amazon |
| ELRING Fits: 3.0L L6 DIESEL Turbocharged | 074570 | 🇺🇸 US 🇨🇦 CA | Material: AEM (Ethylene Acrylate Rubber) | View on Amazon |
| ELRING Fits: 3.0L L6 DIESEL Turbocharged | 052360 | 🇺🇸 US 🇨🇦 CA | Material: FPM (Fluoride Rubber) | View on Amazon |
This table covers the gaskets that seal the Oil Cooler. 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.
6 Oil Cooler Gasket parts for the 2020 Chevrolet Silverado 1500 come from 3 brands — ELRING, ACDELCO and DORMAN. The "Popular" part is ACDELCO 55488933.
Part numbers include ACDELCO 55488933, DORMAN 66219 and ELRING 815420, among others listed above.
Oil Cooler Line Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 11547061 | 🇺🇸 US 🇨🇦 CA | Bolt Type: Hex Flanged | View on Amazon |
This table covers the harness connectors at the Oil Cooler Line. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
This group shows a single part: GM GENUINE 11547061.
Oil Cooler Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING Fits: 3.0L L6 DIESEL Turbocharged | B17840 | 🇺🇸 US 🇨🇦 CA | Fits 4WDHigh Country | View on Amazon |
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 55507117 | 🇺🇸 US 🇨🇦 CA | Volume (cu In): 3.08cu In | 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.
2 Oil Cooler Seal parts for the 2020 Chevrolet Silverado 1500 come from 2 brands — ELRING and GM GENUINE.
This group includes ELRING B17840 and GM GENUINE 55507117.
Oil Dipstick / Tube Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING Fits: 3.0L L6 DIESEL Turbocharged | 584210 | 🇺🇸 US 🇨🇦 CA | Inner Diameter [MM]: 6,07 | View on Amazon |
| FEL-PRO Fits: 3.0L L6 DIESEL Turbocharged | 73889 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 24504031 | 🇺🇸 US 🇨🇦 CA | Single Use6.07 ID | View on Amazon |
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 12670252 | 🇺🇸 US 🇨🇦 CA | Purple9.19 ID | 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.
4 Oil Dipstick / Tube Seal parts for the 2020 Chevrolet Silverado 1500 come from 3 brands — GM GENUINE, ELRING and FEL-PRO.
This group includes ELRING 584210, FEL-PRO 73889 and GM GENUINE 24504031 and the remaining parts above.
Oil Drain Plug
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: 3.0L L6 DIESEL Turbocharged | 65416 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| ELRING Fits: 3.0L L6 DIESEL Turbocharged | 816250 | 🇺🇸 US 🇨🇦 CA | with Seal Ring | View on Amazon |
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 24233099 | 🇺🇸 US 🇨🇦 CA | Includes Seal | View on Amazon |
| NEEDA Fits: 3.0L L6 DIESEL Turbocharged | 6730661 | 🇺🇸 US 🇨🇦 CA | Oil Drain Plug M12-1.75 | View on Amazon |
This table covers the drain plugs in the oil pan.
4 Oil Drain Plug parts are listed for the 2020 Chevrolet Silverado 1500, from DORMAN, ELRING, GM GENUINE and 1 other brand.
This group includes DORMAN 65416, ELRING 816250 and GM GENUINE 24233099 and the remaining parts above.
Oil Drain Plug Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 12616850 | 🇺🇸 US 🇨🇦 CA | Single UseDiameter 19.39 | View on Amazon |
| ULTRA-POWER Fits: 3.0L L6 DIESEL Turbocharged | 097119 | 🇺🇸 US 🇨🇦 CA | ID: 0.448"RUBBER GASKET | 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.
2 Oil Drain Plug Gasket parts for the 2020 Chevrolet Silverado 1500 come from 2 brands — GM GENUINE and ULTRA-POWER.
Part numbers include GM GENUINE 12616850 and ULTRA-POWER 097119.
Oil Filler Cap
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Fits: 3.0L L6 DIESEL Turbocharged | FC276 | 🇺🇸 US 🇨🇦 CA | GM Original Equipment | View on Amazon |
| CALORSTAT Fits: 3.0L L6 DIESEL Turbocharged | OC2314 | 🇺🇸 US 🇨🇦 CA | PlasticTwist-On | View on Amazon |
This table covers the caps on the oil filler neck.
2 Oil Filler Cap parts are listed for the 2020 Chevrolet Silverado 1500, from ACDELCO and CALORSTAT.
This group includes ACDELCO FC276 and CALORSTAT OC2314.
Oil Filler Cap Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING Fits: 3.0L L6 DIESEL Turbocharged | 592250 | 🇺🇸 US 🇨🇦 CA | SealMaterial: AEM (Ethylene Acrylate Rubber) | View on Amazon |
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 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.
2 Oil Filler Cap Gasket parts for the 2020 Chevrolet Silverado 1500 come from 2 brands — ELRING and GM GENUINE.
Listed part numbers: ELRING 592250 and GM GENUINE 24100002.
Oil Filter
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FVP Fits: 3.0L L6 DIESEL Turbocharged | R0351 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| PRO-TEC Fits: 3.0L L6 DIESEL Turbocharged | PXL10351 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| VARIOUS MFR Fits: 3.0L L6 DIESEL Turbocharged | PO99495 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
High Performance / Heavy Duty
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular Fits: 3.0L L6 DIESEL Turbocharged | UPF66R | 🇺🇸 US 🇨🇦 CA | Gold / Professional SpecialtyULTRAGUARD | View on Amazon |
| MOBIL Fits: 3.0L L6 DIESEL Turbocharged | M1115A | 🇺🇸 US 🇨🇦 CA | Extended Performance | View on Amazon |
| WIX Fits: 3.0L L6 DIESEL Turbocharged | WL10351XP | 🇺🇸 US 🇨🇦 CA | XP Extreme DutyBest for Synthetic Motor Oils | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular Fits: 3.0L L6 DIESEL Turbocharged | PF66 | 🇺🇸 US 🇨🇦 CA | GM Original Equipment | View on Amazon |
| WIX Popular Fits: 3.0L L6 DIESEL Turbocharged | WL10351 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| ACDELCO Fits: 3.0L L6 DIESEL Turbocharged | PF66A | 🇺🇸 US 🇨🇦 CA | SilverBlack Shell | View on Amazon |
| HASTINGS / BALDWIN Fits: 3.0L L6 DIESEL Turbocharged | B40162 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| HENGST Fits: 3.0L L6 DIESEL Turbocharged | H832W | 🇺🇸 US 🇨🇦 CA | Spin-on | View on Amazon |
| MAHLE / CLEVITE Fits: 3.0L L6 DIESEL Turbocharged | OC1660 | 🇺🇸 US 🇨🇦 CA | 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.
12 Oil Filter parts are listed for the 2020 Chevrolet Silverado 1500, from ACDELCO, WIX, FVP and 6 other brands. ACDELCO UPF66R carries the "Popular" badge.
In the Economy grade, FVP, PRO-TEC and VARIOUS MFR supply 3 parts: the catalog's value-priced group. A representative part number is FVP R0351.
In the High Performance / Heavy Duty grade, ACDELCO, MOBIL and WIX supply 3 parts: grouped under the catalog's "High Performance / Heavy Duty" designation — the notes column spells out what sets them apart. A representative part number is ACDELCO UPF66R.
The Standard Replacement section lists 6 options from ACDELCO, WIX, HASTINGS / BALDWIN and 2 other brands — built to original-equipment specification. ACDELCO PF66 is listed in this group.
Oil Pan
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 40009800 | 🇺🇸 US 🇨🇦 CA | KitContains Pan and Pipe | View on Amazon |
This table covers the oil pans that hold the engine's oil sump.
This group shows a single part: GM GENUINE 40009800.
Oil Pan Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 11548002 | 🇺🇸 US 🇨🇦 CA | M5X0.8X17 | View on Amazon |
This table covers the Oil Pan bolts.
One part is listed for the 2020 Chevrolet Silverado 1500 — GM GENUINE 11548002.
Oil Pan Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 55496126 | 🇺🇸 US 🇨🇦 CA | Upper28.8 OD | View on Amazon |
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 55500219 | 🇺🇸 US 🇨🇦 CA | Upper17.2 OD | View on Amazon |
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 55502649 | 🇺🇸 US 🇨🇦 CA | 10 speed Automatic trans. | View on Amazon |
| VICTOR REINZ Fits: 3.0L L6 DIESEL Turbocharged | 703141410 | 🇺🇸 US 🇨🇦 CA | RTV Silicone | 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.
4 Oil Pan Gasket parts are listed for the 2020 Chevrolet Silverado 1500, from GM GENUINE and VICTOR REINZ.
Listed part numbers: GM GENUINE 55496126, GM GENUINE 55500219 and GM GENUINE 55502649, plus the other parts above.
Oil Pump Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 11547739 | 🇺🇸 US 🇨🇦 CA | without Thread SealantM6X1X35 | View on Amazon |
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 11610074 | 🇺🇸 US 🇨🇦 CA | M8X1.25X45 | View on Amazon |
This table covers the Oil Pump bolts.
2 Oil Pump Bolt parts for the 2020 Chevrolet Silverado 1500 come from GM GENUINE.
Part numbers include GM GENUINE 11547739 and GM GENUINE 11610074.
Oil Pump Control Valve / Solenoid
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 3.0L L6 DIESEL Turbocharged | OPS405 | 🇺🇸 US 🇨🇦 CA | 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.
This group shows a single part: STANDARD MOTOR PRODUCTS OPS405.
Oil Pump Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING Fits: 3.0L L6 DIESEL Turbocharged | 816100 | 🇺🇸 US 🇨🇦 CA | Fits Upper4WD | View on Amazon |
| ELRING Fits: 3.0L L6 DIESEL Turbocharged | 815730 | 🇺🇸 US 🇨🇦 CA | Fits Upper4WD | View on Amazon |
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 55500219 | 🇺🇸 US 🇨🇦 CA | 10 speed transmission10 Speed Automatic Trans. | View on Amazon |
This table covers the gaskets that seal the Oil Pump. 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.
3 Oil Pump Gasket parts for the 2020 Chevrolet Silverado 1500 come from 2 brands — ELRING and GM GENUINE.
This group includes ELRING 816100, ELRING 815730 and GM GENUINE 55500219.
Oil Pump Shaft Guide / Retainer
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 55496318 | 🇺🇸 US 🇨🇦 CA | 10 speed Automatic trans. | View on Amazon |
This table covers the Oil Pump Shaft Guide retainers.
This group shows a single part: GM GENUINE 55496318.
Oil Temperature Sender
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Fits: 3.0L L6 DIESEL Turbocharged | 15494665 | 🇺🇸 US 🇨🇦 CA | GM Original Equipment | View on Amazon |
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 55494665 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS Fits: 3.0L L6 DIESEL Turbocharged | TX352 | 🇺🇸 US 🇨🇦 CA | with 3 Blade Terminals | View on Amazon |
This table covers the Oil Temperature senders.
3 Oil Temperature Sender parts for the 2020 Chevrolet Silverado 1500 come from 3 brands — ACDELCO, GM GENUINE and STANDARD MOTOR PRODUCTS.
Part numbers include ACDELCO 15494665, GM GENUINE 55494665 and STANDARD MOTOR PRODUCTS TX352.
Piston
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 55510938 | 🇺🇸 US 🇨🇦 CA | 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.
This group shows a single part: GM GENUINE 55510938.
Piston Ring
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 55500618 | 🇺🇸 US 🇨🇦 CA | 10 speed Automatic trans. | View on Amazon |
| HASTINGS MANUFACTURING Fits: 3.0L L6 DIESEL Turbocharged | 2D5845 | 🇺🇸 US 🇨🇦 CA | 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 2020 Chevrolet Silverado 1500 come from 2 brands — GM GENUINE and HASTINGS MANUFACTURING.
Part numbers include GM GENUINE 55500618 and HASTINGS MANUFACTURING 2D5845.
Rocker Arm Nut
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 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: 3.0L L6 DIESEL Turbocharged | 55489211 | 🇺🇸 US 🇨🇦 CA | Rear10 speed Automatic trans. | View on Amazon |
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 55515943 | 🇺🇸 US 🇨🇦 CA | 10 speed Automatic trans. | View on Amazon |
This table covers the timing chains that keep the cams in time with the crank.
2 Timing Chain parts for the 2020 Chevrolet Silverado 1500 come from GM GENUINE.
Part numbers include GM GENUINE 55489211 and GM GENUINE 55515943.
Timing Chain Guide / Damper
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 55489213 | 🇺🇸 US 🇨🇦 CA | Height (mm): 27.58 mm | View on Amazon |
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 55489216 | 🇺🇸 US 🇨🇦 CA | Height (mm): 19.52 mm | View on Amazon |
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 55489219 | 🇺🇸 US 🇨🇦 CA | Height (mm): 18.13 mmVolume (cu In): 11.5cu In | View on Amazon |
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 55489221 | 🇺🇸 US 🇨🇦 CA | Height (mm): 17.99 mmVolume (cu In): 6.93cu In | View on Amazon |
This table covers the guides and dampers that keep the timing chain on its path.
4 Timing Chain Guide / Damper parts for the 2020 Chevrolet Silverado 1500 come from GM GENUINE.
Part numbers include GM GENUINE 55489213, GM GENUINE 55489216 and GM GENUINE 55489219, among others listed above.
Timing Chain Tensioner
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 11515758 | 🇺🇸 US 🇨🇦 CA | M8X1.25X30Tensioner Bolt Only | View on Amazon |
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 11548171 | 🇺🇸 US 🇨🇦 CA | Use with Adhesive 19333511M6X1X43 | View on Amazon |
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 55508005 | 🇺🇸 US 🇨🇦 CA | 10 speed Automatic trans. | View on Amazon |
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 55489220 | 🇺🇸 US 🇨🇦 CA | with Gasket | 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 2020 Chevrolet Silverado 1500.
Listed part numbers: GM GENUINE 11515758, GM GENUINE 11548171 and GM GENUINE 55508005, plus the other parts above.
Timing Chain Tensioner Gasket / Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Fits: 3.0L L6 DIESEL Turbocharged | 55513850 | 🇺🇸 US 🇨🇦 CA | GM Original Equipment | View on Amazon |
This table covers the seals at the Timing Chain Tensioner 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.
This group shows a single part: ACDELCO 55513850.
Timing Cover
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 40009454 | 🇺🇸 US 🇨🇦 CA | Mounting Hardware Included: YES | View on Amazon |
This table covers the Timing covers.
This group shows a single part: GM GENUINE 40009454.
Timing Cover Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 11548002 | 🇺🇸 US 🇨🇦 CA | M5X0.8X17 | View on Amazon |
This table covers the Timing Cover bolts.
One part is listed for the 2020 Chevrolet Silverado 1500 — GM GENUINE 11548002.
Timing Gear
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 55489215 | 🇺🇸 US 🇨🇦 CA | 10 speed Automatic trans. | View on Amazon |
This table covers the Timing gears.
This group shows a single part: GM GENUINE 55489215.
Turbocharger
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 40009289 | 🇺🇸 US 🇨🇦 CA | Center Housing Cooling Type: Water | View on Amazon |
| GPD Fits: 3.0L L6 DIESEL Turbocharged | 2513011 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the turbochargers that compress intake air.
2 Turbocharger parts are listed for the 2020 Chevrolet Silverado 1500, from GM GENUINE and GPD.
Part numbers include GM GENUINE 40009289 and GPD 2513011.
Turbocharger Coolant Line
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 40009055 | 🇺🇸 US 🇨🇦 CA | Supply10 speed Automatic trans. | View on Amazon |
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 55512938 | 🇺🇸 US 🇨🇦 CA | Hose Only | View on Amazon |
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 55512939 | 🇺🇸 US 🇨🇦 CA | Outlet Fitting Type: Clamp | View on Amazon |
This table covers the Turbocharger Coolant 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.
GM GENUINE supplies the 3 Turbocharger Coolant Line parts for the 2020 Chevrolet Silverado 1500.
Listed part numbers: GM GENUINE 40009055, GM GENUINE 55512938 and GM GENUINE 55512939.
Turbocharger Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA Fits: 3.0L L6 DIESEL Turbocharged | JTC12912 | 🇺🇸 US 🇨🇦 CA | Mounting Gasket Set | View on Amazon |
| ELRING Fits: 3.0L L6 DIESEL Turbocharged | 814660 | 🇺🇸 US 🇨🇦 CA | Fits Exhaust Manifold4WD | View on Amazon |
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 55512949 | 🇺🇸 US 🇨🇦 CA | SINGLE USE | View on Amazon |
This table covers the gaskets that seal the Turbocharger. 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.
3 Turbocharger Gasket parts for the 2020 Chevrolet Silverado 1500 come from 3 brands — AJUSA, ELRING and GM GENUINE.
Part numbers include AJUSA JTC12912, ELRING 814660 and GM GENUINE 55512949.
Turbocharger Mounting Hardware
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING Fits: 3.0L L6 DIESEL Turbocharged | 814920 | 🇺🇸 US 🇨🇦 CA | with Mounting Manual | View on Amazon |
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 11609953 | 🇺🇸 US 🇨🇦 CA | Fits Crew Cab Pickup69.9" Bed | View on Amazon |
This table covers the fasteners that mount the turbocharger.
2 Turbocharger Mounting Hardware parts for the 2020 Chevrolet Silverado 1500 come from 2 brands — ELRING and GM GENUINE.
This group includes ELRING 814920 and GM GENUINE 11609953.
Turbocharger Nut
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 11588835 | 🇺🇸 US 🇨🇦 CA | SINGLE USEM8X1.25 | View on Amazon |
This table covers the Turbocharger nuts.
This group shows a single part: GM GENUINE 11588835.
Turbocharger Oil Line
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA Fits: 3.0L L6 DIESEL Turbocharged | OP11582 | 🇺🇸 US 🇨🇦 CA | Supply tube | View on Amazon |
This table covers the Turbocharger Oil 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 2020 Chevrolet Silverado 1500 — AJUSA OP11582.
Turbocharger Oil Line Gasket / O-Ring
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular Fits: 3.0L L6 DIESEL Turbocharged | 40009034 | 🇺🇸 US 🇨🇦 CA | Fits Crew Cab Pickup69.9" Bed | View on Amazon |
| ELRING Fits: 3.0L L6 DIESEL Turbocharged | 570820 | 🇺🇸 US 🇨🇦 CA | Fits Exhaust Turbocharger4WD | View on Amazon |
| ELRING Fits: 3.0L L6 DIESEL Turbocharged | 469392 | 🇺🇸 US 🇨🇦 CA | Fits Exhaust Turbocharger4WD | View on Amazon |
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 40009159 | 🇺🇸 US 🇨🇦 CA | 2 HOLES | View on Amazon |
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 55490656 | 🇺🇸 US 🇨🇦 CA | Square with TabsSingle Use | 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.
5 Turbocharger Oil Line Gasket / O-Ring parts are listed for the 2020 Chevrolet Silverado 1500, from GM GENUINE and ELRING. GM GENUINE 40009034 carries the "Popular" badge.
This group includes GM GENUINE 40009034, ELRING 570820 and ELRING 469392 and the remaining parts above.
Turbocharger Wastegate Solenoid / Actuator
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 12716475 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Turbocharger Wastegate Solenoid actuators. 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.
One part is listed for the 2020 Chevrolet Silverado 1500 — GM GENUINE 12716475.
Turbocharger Wastegate Solenoid / Actuator Heat Shield
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 24000473 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Turbocharger Wastegate Solenoid / Actuator Heat shields. Typical signs include a bent shield rubbing a rotor, or rust-through that leaves the backing open. A rubbing shield will eat a new rotor. Straighten or replace it before the wheel goes back on.
This group shows a single part: GM GENUINE 24000473.
Valve Cover Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular Fits: 3.0L L6 DIESEL Turbocharged | 55502647 | 🇺🇸 US 🇨🇦 CA | 10 speed Automatic trans. | View on Amazon |
| AJUSA Fits: 3.0L L6 DIESEL Turbocharged | 56106800 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| ELRING Fits: 3.0L L6 DIESEL Turbocharged | 107960 | 🇺🇸 US 🇨🇦 CA | Fits Lower4WD | View on Amazon |
| ELRING Fits: 3.0L L6 DIESEL Turbocharged | 815220 | 🇺🇸 US 🇨🇦 CA | Fits 4WDHigh Country | View on Amazon |
| ELRING Fits: 3.0L L6 DIESEL Turbocharged | 815250 | 🇺🇸 US 🇨🇦 CA | Fits 4WDHigh Country | 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 2020 Chevrolet Silverado 1500, from ELRING, GM GENUINE and AJUSA. GM GENUINE 55502647 carries the "Popular" badge.
This group includes GM GENUINE 55502647, AJUSA 56106800 and ELRING 107960 and the remaining parts above.
Valve Lifter
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA Fits: 3.0L L6 DIESEL Turbocharged | 85009300 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the lifters / tappets that transfer cam motion to the valves.
One part is listed for the 2020 Chevrolet Silverado 1500 — AJUSA 85009300.
Valve Spring Retainer Keeper
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 90529533 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| MELLING Fits: 3.0L L6 DIESEL Turbocharged | VL1131 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| QUALCAST Fits: 3.0L L6 DIESEL Turbocharged | 345033 | 🇺🇸 US 🇨🇦 CA | 3 Round Beads. 0.196 Stem DIA. | View on Amazon |
| SBI Fits: 3.0L L6 DIESEL Turbocharged | 1211131 | 🇺🇸 US 🇨🇦 CA | Intake and Exhaust0.1980 Length | View on Amazon |
This table covers the keepers that lock each valve-spring retainer to the stem.
4 Valve Spring Retainer Keeper parts for the 2020 Chevrolet Silverado 1500 come from 4 brands — GM GENUINE, MELLING, QUALCAST and 1 other brand.
Part numbers include GM GENUINE 90529533, MELLING VL1131 and QUALCAST 345033, among others listed above.
Valve Stem Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA Fits: 3.0L L6 DIESEL Turbocharged | 12049200 | 🇺🇸 US 🇨🇦 CA | 4.5 X 9.3 X 12.9 | View on Amazon |
| AJUSA Fits: 3.0L L6 DIESEL Turbocharged | 57101700 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| ELRING Fits: 3.0L L6 DIESEL Turbocharged | 052170 | 🇺🇸 US 🇨🇦 CA | Fits 4WDHigh Country | 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.
3 Valve Stem Seal parts are listed for the 2020 Chevrolet Silverado 1500, from AJUSA and ELRING.
This group includes AJUSA 12049200, AJUSA 57101700 and ELRING 052170.
Variable Valve Timing (VVT) Solenoid / Actuator
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 3.0L L6 DIESEL Turbocharged | VVT464 | 🇺🇸 US 🇨🇦 CA | Adjuster Magnet | 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.
One part is listed for the 2020 Chevrolet Silverado 1500 — STANDARD MOTOR PRODUCTS VVT464.
Buying Engine Parts for a 2020 Chevrolet Silverado 1500
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 Filter and Crankshaft Seal .
Frequently Asked Questions
How many engine parts fit the 2020 Chevrolet Silverado 1500?
Our catalog currently lists 171 engine parts for the 2020 Chevrolet Silverado 1500 across 80 subcategories and 29 brands, covering all 5 engine options (2.7L L4 Turbocharged, 3.0L L6 DIESEL Turbocharged, 4.3L V6, 5.3L V8 and 6.2L V8). Each part is matched to the engine(s) it fits.
Do engine parts differ between 2020 Chevrolet Silverado 1500 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 2020 Chevrolet Silverado 1500?
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 2020 Chevrolet Silverado 1500?
Oil rows on this page include SAE 0W-20. 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 2020 Chevrolet Silverado 1500 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 2020 Chevrolet Silverado 1500?
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 2020 Chevrolet Silverado 1500
Engine Parts for Other Chevrolet Silverado 1500 Years
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Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.