2023 GMC Sierra 1500 Engine Parts

This table covers the camshafts that open the valves. Read more

2 Camshaft parts are listed for the 2023 GMC Sierra 1500, from GM GENUINE and MELLING.

Listed part numbers: GM GENUINE 12664912 and MELLING MC1435.

This table covers the Camshaft bearings. 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. Read more

5 Camshaft Bearing parts are listed for the 2023 GMC Sierra 1500, from GM GENUINE and MAHLE / CLEVITE. GM GENUINE 19260874 carries the "Popular" badge.

Part numbers include GM GENUINE 19260874, GM GENUINE 19260876 and GM GENUINE 12679049, among others listed above.

This table covers the Camshaft bolts. Read more

This group shows a single part: GM GENUINE 11561455.

This table covers the Camshaft Dowel pins. Read more

One part is listed for the 2023 GMC Sierra 1500 — GM GENUINE 24575061.

This table covers the Camshaft Retainer / Thrust plates. Typical signs include warpage, cracks, or a plate that no longer locates the assembly. Confirm which plate the notes describe — backing plates, clutch plates and strike plates are different parts. Read more

4 Camshaft Retainer / Thrust Plate parts for the 2023 GMC Sierra 1500 come from 4 brands — DORMAN, FEL-PRO, GM GENUINE and 1 other brand.

Listed part numbers: DORMAN 45745, FEL-PRO ES73115 and GM GENUINE 12589016, plus the other parts above.

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. Read more

This group shows a single part: AJUSA 01713900.

This table covers the connecting rods between each piston and the crankshaft. Read more

One part is listed for the 2023 GMC Sierra 1500 — GM GENUINE 12714549.

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. Read more

2 Connecting Rod Bearing parts are listed for the 2023 GMC Sierra 1500, from ENGINETECH and GM GENUINE.

Listed part numbers: ENGINETECH BB622J and GM GENUINE 12735504.

This table covers the Connecting Rod bolts. Read more

This group shows a single part: GM GENUINE 11548432.

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. Read more

One part is listed for the 2023 GMC Sierra 1500 — AJUSA 54290100.

This table covers the crankshafts that turn piston motion into rotation. Read more

2 Crankshaft parts are listed for the 2023 GMC Sierra 1500, from ENGINETECH and GM GENUINE.

Listed part numbers: ENGINETECH 129400 and GM GENUINE 12710954.

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. Read more

This group shows a single part: GM GENUINE 12729655.

This table covers the Crankshaft Main Bearing Cap bolts. Read more

GM GENUINE supplies the 3 Crankshaft Main Bearing Cap Bolt parts for the 2023 GMC Sierra 1500.

This group includes GM GENUINE 11546565, GM GENUINE 11548076 and GM GENUINE 11548075.

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. Read more

6 Crankshaft Seal parts for the 2023 GMC Sierra 1500 come from 4 brands — GM GENUINE, AJUSA, FEL-PRO and 1 other brand. The "Popular" part is GM GENUINE 12634614.

This group includes GM GENUINE 12634614, GM GENUINE 12665076 and AJUSA 15119300 and the remaining parts above.

This table covers the Crankshaft Seal covers. Read more

2 Crankshaft Seal Cover parts are listed for the 2023 GMC Sierra 1500, from DORMAN and GM GENUINE.

This group includes DORMAN 635786 and GM GENUINE 12705663.

This table covers the gaskets that seal the Crankshaft Seal. 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. Read more

One part is listed for the 2023 GMC Sierra 1500 — GM GENUINE 12627520.

This table covers the kits that disable cylinder deactivation. Read more

This group shows a single part: MELLING MDK700HPT3.

This table covers the Cylinder Deactivation 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. Read more

This group shows a single part: GM GENUINE 12747732.

This table covers the Cylinder Head Alignment Dowel pins. Read more

One part is listed for the 2023 GMC Sierra 1500 — GM GENUINE 12570326.

This table covers the bolts that clamp the cylinder head to the block. Read more

4 Cylinder Head Bolt parts are listed for the 2023 GMC Sierra 1500, from GM GENUINE, AJUSA and FEL-PRO.

Listed part numbers: AJUSA 81074000, FEL-PRO ES73121 and GM GENUINE 11611976, plus the other parts above.

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. Read more

3 Cylinder Head Gasket parts are listed for the 2023 GMC Sierra 1500, from AJUSA, FEL-PRO and GM GENUINE.

This group includes AJUSA 10254400, FEL-PRO 26749PT and GM GENUINE 12688943.

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. Read more

2 Cylinder Head Gasket Set parts are listed for the 2023 GMC Sierra 1500, from AJUSA and GM GENUINE.

Listed part numbers: AJUSA 52582800 and GM GENUINE 19433116.

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. Read more

This group shows a single part: GM GENUINE 24502262.

This table covers the Engine Block drain plugs. Read more

GM GENUINE supplies both parts for the 2023 GMC Sierra 1500.

Listed part numbers: GM GENUINE 11602951 and GM GENUINE 11546667.

This table covers the block heaters that warm the coolant or oil in cold weather. Read more

This group shows a single part: GM GENUINE 12586687.

This table covers the Engine covers. Read more

3 Engine Cover parts are listed for the 2023 GMC Sierra 1500, from TECHPRO and VARIOUS MFR.

Listed part numbers: TECHPRO GM1228195 and TECHPRO GM1228173, plus the other parts above.

This table covers the Engine Cover grommets. Read more

This group shows a single part: GM GENUINE 12594875.

This table covers the Engine Cover retainers and clips. Read more

This group shows a single part: GM GENUINE 10121502.

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. Read more

One part is listed for the 2023 GMC Sierra 1500 — AJUSA 50530700.

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. Read more

2 Exhaust Valve parts for the 2023 GMC Sierra 1500 come from 2 brands — GM GENUINE and MELLING.

Part numbers include GM GENUINE 12678746 and MELLING V5815.

This table covers the crankshaft pulleys / harmonic balancers at the front of the engine. Read more

One part is listed for the 2023 GMC Sierra 1500 — GM GENUINE 12680364.

This table covers the Harmonic Balancer bolts. Read more

2 Harmonic Balancer Bolt parts for the 2023 GMC Sierra 1500 come from 2 brands — FEL-PRO and GM GENUINE.

Part numbers include FEL-PRO 73372 and GM GENUINE 11547372.

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. Read more

This group shows a single part: GM GENUINE 12748172.

This table covers the Intake Manifold bolts. Read more

One part is listed for the 2023 GMC Sierra 1500 — GM GENUINE 11610472.

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. Read more

6 Intake Manifold Gasket parts are listed for the 2023 GMC Sierra 1500, from FEL-PRO, GM GENUINE and MAHLE / CLEVITE. FEL-PRO MS97402 carries the "Popular" badge.

Part numbers include FEL-PRO MS97402, GM GENUINE 12626354 and FEL-PRO MS97432, among others listed above.

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. Read more

2 Intake Valve parts for the 2023 GMC Sierra 1500 come from MELLING.

This group includes MELLING V5814 and MELLING V5814HS.

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. Read more

13 Motor Mount parts for the 2023 GMC Sierra 1500 come from 5 brands — ANCHOR, PIONEER, GM GENUINE and 2 other brands. The "Popular" part is ANCHOR 3556.

This table covers the Motor Mount kits. Read more

4 Motor Mount Kit parts for the 2023 GMC Sierra 1500 come from ANCHOR.

Listed part numbers: ANCHOR 300852, ANCHOR 300854 and ANCHOR 300963, plus the other parts above.

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. Read more

5 Oil parts for the 2023 GMC Sierra 1500 come from 3 brands — MOBIL, PENTOSIN and ACDELCO. The "Popular" part is ACDELCO 109302.

This group includes ACDELCO 109302, MOBIL 112628 and MOBIL 126870 and the remaining parts above.

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. Read more

3 Oil Cooler Gasket parts are listed for the 2023 GMC Sierra 1500, from DORMAN, GM GENUINE and MAHLE / CLEVITE.

This group includes DORMAN 66219, GM GENUINE 23129010 and MAHLE / CLEVITE B33562.

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. Read more

2 Oil Cooler Line parts for the 2023 GMC Sierra 1500 come from GM GENUINE.

This group includes GM GENUINE 85136335 and GM GENUINE 85724972.

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. Read more

One part is listed for the 2023 GMC Sierra 1500 — GM GENUINE 84240291.

This table covers the Oil Dipstick tubes. Read more

This group shows a single part: GM GENUINE 12664925.

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. Read more

3 Oil Dipstick / Tube Seal parts are listed for the 2023 GMC Sierra 1500, from GM GENUINE and FEL-PRO.

This group includes FEL-PRO 73889, GM GENUINE 24504031 and GM GENUINE 12670252.

This table covers the drain plugs in the oil pan. Read more

4 Oil Drain Plug parts for the 2023 GMC Sierra 1500 come from 2 brands — DORMAN and GM GENUINE.

Part numbers include DORMAN 090948CD, DORMAN 090948 and GM GENUINE 55577568, among others listed above.

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. Read more

5 Oil Drain Plug Gasket parts are listed for the 2023 GMC Sierra 1500, from DORMAN, GM GENUINE, AJUSA and 1 other brand. GM GENUINE 12616850 carries the "Popular" badge.

This group includes GM GENUINE 12616850, AJUSA 01288800 and DORMAN 097119 and the remaining parts above.

This table covers the Oil Drain Plug inserts. Read more

One part is listed for the 2023 GMC Sierra 1500 — GM GENUINE 11503302.

This table covers the caps on the oil filler neck. Read more

4 Oil Filler Cap parts for the 2023 GMC Sierra 1500 come from 4 brands — ACDELCO, CALORSTAT, DORMAN and 1 other brand.

This group includes ACDELCO 12713785, CALORSTAT OC2314 and DORMAN 90202 and the remaining parts above.

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. Read more

One part is listed for the 2023 GMC Sierra 1500 — GM GENUINE 24100002.

This table covers the Oil Filler tubes. Read more

This group shows a single part: GM GENUINE 12691785.

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. Read more

12 Oil Filter parts for the 2023 GMC Sierra 1500 come from 9 brands — VARIOUS MFR, WIX, ACDELCO and 6 other brands. The "Popular" part is WIX WL10255XP.

The Economy section lists 4 options from FRAM, FVP, PRO-TEC and 1 other brand — the catalog's value-priced group. FRAM FE10575 is listed in this group.

The High Performance / Heavy Duty section lists 2 options from WIX and MOBIL — grouped under the catalog's "High Performance / Heavy Duty" designation — the notes column spells out what sets them apart. WIX WL10255XP is listed in this group.

In the Standard Replacement grade, ACDELCO, WIX, HASTINGS / BALDWIN and 2 other brands supply 6 parts: built to original-equipment specification. A representative part number is ACDELCO PF63.

This table covers the Oil Filter adapters. Read more

One part is listed for the 2023 GMC Sierra 1500 — GM GENUINE 12600225.

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. Read more

This group shows a single part: GM GENUINE 11546667.

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. Read more

This group shows a single part: GM GENUINE 12696433.

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. Read more

This group shows a single part: GM GENUINE 12638820.

This table covers the Oil nozzles. Read more

This group shows a single part: GM GENUINE 12678499.

This table covers the oil pans that hold the engine's oil sump. Read more

One part is listed for the 2023 GMC Sierra 1500 — GM GENUINE 12739177.

This table covers the Oil Pan bolts. Read more

2 Oil Pan Bolt parts for the 2023 GMC Sierra 1500 come from GM GENUINE.

Listed part numbers: GM GENUINE 12554990 and GM GENUINE 11588725.

This table covers the Oil Pan covers. Read more

This group shows a single part: GM GENUINE 12630766.

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. Read more

4 Oil Pan Gasket parts for the 2023 GMC Sierra 1500 come from 2 brands — GM GENUINE and AJUSA.

This group includes AJUSA 14115000, GM GENUINE 12666993 and GM GENUINE 12623359 and the remaining parts above.

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. Read more

3 Oil Pump parts for the 2023 GMC Sierra 1500 come from 2 brands — GM GENUINE and MELLING.

Part numbers include GM GENUINE 12733670, GM GENUINE 12744612 and MELLING M595.

This table covers the Oil Pump bolts. Read more

One part is listed for the 2023 GMC Sierra 1500 — GM GENUINE 11610074.

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. Read more

One part is listed for the 2023 GMC Sierra 1500 — GM GENUINE 12686431.

This table covers the seals at the Oil Pump Control Valve / Solenoid. 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. Read more

This group shows a single part: GM GENUINE 12626252.

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. Read more

One part is listed for the 2023 GMC Sierra 1500 — GM GENUINE 12638433.

This table covers the windage trays that keep crank windage out of the oil sump. Read more

This group shows a single part: GM GENUINE 12619978.

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. Read more

GM GENUINE supplies the 4 Piston parts for the 2023 GMC Sierra 1500.

Listed part numbers: GM GENUINE 12656874, GM GENUINE 12656875 and GM GENUINE 12658743, plus the other parts above.

This table covers the Piston Pin retainers. Read more

This group shows a single part: GM GENUINE 12569638.

This table covers the rings that seal each piston to the cylinder wall. Read more

3 Piston Ring parts are listed for the 2023 GMC Sierra 1500, from GM GENUINE and HASTINGS MANUFACTURING.

The Premium section lists 1 option from HASTINGS MANUFACTURING — a step above OE specification in materials, tolerances or warranty terms. HASTINGS MANUFACTURING 2M5381 is listed in this group.

The Standard Replacement section: 2 options from GM GENUINE. GM GENUINE 12685185 is listed in this group.

Part numbers include HASTINGS MANUFACTURING 2M5381, GM GENUINE 12685185 and GM GENUINE 12687779.

This table covers the pushrods that transfer lifter motion to the rocker arms. Read more

4 Push Rod parts are listed for the 2023 GMC Sierra 1500, from ENGINETECH, GM GENUINE, MELLING and 1 other brand.

Listed part numbers: ENGINETECH EPR325, GM GENUINE 12619828 and MELLING MPR696, plus the other parts above.

This table covers the rocker arms that transfer cam motion to the valves. Read more

3 Rocker Arm parts for the 2023 GMC Sierra 1500 come from 3 brands — GM GENUINE, MELLING and SBI.

Listed part numbers: GM GENUINE 12619829, MELLING MR913 and SBI 1801343.

This table covers the Rocker Arm nuts. Read more

One part is listed for the 2023 GMC Sierra 1500 — GM GENUINE 11546449.

This table covers the timing chains that keep the cams in time with the crank. Read more

4 Timing Chain parts are listed for the 2023 GMC Sierra 1500, from GM GENUINE, MELLING, PREFERRED COMPONENTS INC and 1 other brand.

Listed part numbers: GM GENUINE 12646387, MELLING 3SRH60 and PREFERRED COMPONENTS INC C1360, plus the other parts above.

This table covers kits that group a timing chain with the related tensioners and guides. Read more

8 Timing Chain & Component Kit parts for the 2023 GMC Sierra 1500 come from 4 brands — MELLING, S.A. GEAR, PREFERRED COMPONENTS INC and 1 other brand. The "Popular" part is MELLING 33SRH60SX.

The Economy section: 3 options from S.A. GEAR and PREFERRED COMPONENTS INC. PREFERRED COMPONENTS INC TS10361 is listed in this group.

The High Performance section lists 2 options from MELLING — engineered beyond original-equipment specification. MELLING 485755 is listed in this group.

Standard Replacement: 3 parts, from MELLING and ENGINETECH. A representative part number is MELLING 33SRH60SX.

Listed part numbers: MELLING 33SRH60SX, PREFERRED COMPONENTS INC TS10361 and S.A. GEAR 76291, plus the other parts above.

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. Read more

6 Timing Chain Tensioner parts for the 2023 GMC Sierra 1500 come from 5 brands — GM GENUINE, ENGINETECH, MELLING and 2 other brands. The "Popular" part is GM GENUINE 11515758.

This group includes GM GENUINE 11515758, GM GENUINE 12630107 and ENGINETECH TT5174 and the remaining parts above.

This table covers the Timing covers. Read more

3 Timing Cover parts are listed for the 2023 GMC Sierra 1500, from GM GENUINE and SKP.

This group includes GM GENUINE 12691692, GM GENUINE 12734113 and SKP SK12691692.

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. Read more

This group shows a single part: FEL-PRO TCS462211T.

This table covers the crankshaft sprockets that drive the timing chain or belt. Read more

4 Timing Crank Sprocket parts for the 2023 GMC Sierra 1500 come from 4 brands — GM GENUINE, MELLING, PREFERRED COMPONENTS INC and 1 other brand.

Listed part numbers: GM GENUINE 12713934, MELLING S1355 and PREFERRED COMPONENTS INC G56067, plus the other parts above.

This table covers the Valley Pan covers. Read more

One part is listed for the 2023 GMC Sierra 1500 — GM GENUINE 12711621.

This table covers the Valve covers. Read more

GM GENUINE supplies both parts for the 2023 GMC Sierra 1500.

Part numbers include GM GENUINE 12723317 and GM GENUINE 12727455.

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. Read more

One part is listed for the 2023 GMC Sierra 1500 — GM GENUINE 11547061.

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. Read more

4 Valve Cover Gasket parts for the 2023 GMC Sierra 1500 come from 4 brands — AJUSA, FEL-PRO, GM GENUINE and 1 other brand.

Listed part numbers: AJUSA 11162000, FEL-PRO VS50907R and GM GENUINE 12619787, plus the other parts above.

This table covers the lifters / tappets that transfer cam motion to the valves. Read more

7 Valve Lifter parts for the 2023 GMC Sierra 1500 come from 5 brands — ENGINETECH, MELLING, SKP and 2 other brands. The "Popular" part is ENGINETECH L2303.

The Economy section: 1 option from SKP. SKP SK12740071 is listed in this group.

Standard Replacement: 6 parts, from ENGINETECH, MELLING, QUALCAST and 1 other brand. A representative part number is ENGINETECH L2303.

Part numbers include ENGINETECH L2303, SKP SK12740071 and MELLING JB8011, among others listed above.

This table covers the guides that keep each lifter aligned. Read more

3 Valve Lifter Guide parts for the 2023 GMC Sierra 1500 come from 2 brands — GM GENUINE and MELLING.

This group includes GM GENUINE 12664915, GM GENUINE 12709452 and MELLING MLG107.