2023 Chevrolet Blazer Engine Parts

This table covers the chains that drive the balance shafts. Read more

This group shows a single part: S.A. GEAR C1212.

This table covers the guides that keep the balance-shaft chain on its path. Read more

This group shows a single part: S.A. GEAR 91400.

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. Read more

One part is listed for the 2023 Chevrolet Blazer — S.A. GEAR 71298.

This table covers the Balance Shaft sprockets. Read more

This group shows a single part: S.A. GEAR S1514.

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

7 Camshaft parts for the 2023 Chevrolet Blazer come from GM GENUINE.

This group includes GM GENUINE 12703359, GM GENUINE 55511463 and GM GENUINE 12677826 and the remaining parts above.

This table covers the Camshaft Alignment tools. This is a service tool, not a wear part — match the application in the notes. Read more

One part is listed for the 2023 Chevrolet Blazer — LISLE 37530.

This table covers the Camshaft bolts. Read more

One part is listed for the 2023 Chevrolet Blazer — GM GENUINE 12740203.

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

One part is listed for the 2023 Chevrolet Blazer — GM GENUINE 12636316.

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

This group shows a single part: GM GENUINE 12647161.

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 for the 2023 Chevrolet Blazer come from 2 brands — GM GENUINE and MAHLE / CLEVITE.

Listed part numbers: GM GENUINE 12672032 and MAHLE / CLEVITE CB2033A.

This table covers the Connecting Rod bolts. Read more

One part is listed for the 2023 Chevrolet Blazer — GM GENUINE 11519680.

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

This group shows a single part: AJUSA 54323100.

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. Read more

One part is listed for the 2023 Chevrolet Blazer — GM GENUINE 12740187.

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

This group shows a single part: GM GENUINE 12699162.

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

GM GENUINE supplies the 3 Crankshaft Main Bearing parts for the 2023 Chevrolet Blazer.

Part numbers include GM GENUINE 12744917, GM GENUINE 12720271 and GM GENUINE 12720272.

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

5 Crankshaft Main Bearing Cap Bolt parts for the 2023 Chevrolet Blazer come from 2 brands — GM GENUINE and ELRING. The "Popular" part is GM GENUINE 11546565.

Part numbers include GM GENUINE 11546565, ELRING B75610 and GM GENUINE 11588713, among others listed above.

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 are listed for the 2023 Chevrolet Blazer, from AJUSA, ELRING and GM GENUINE.

Part numbers include AJUSA 15125900, AJUSA 71015400 and ELRING 716640, among others listed above.

This table covers the Crankshaft Seal covers. Read more

This group shows a single part: GM GENUINE 55486914.

This table covers the cylinder heads that close the top of the block. Read more

One part is listed for the 2023 Chevrolet Blazer — GM GENUINE 12729488.

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

This group shows a single part: GM GENUINE 12570326.

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

5 Cylinder Head Bolt parts for the 2023 Chevrolet Blazer come from 2 brands — GM GENUINE and AJUSA.

Listed part numbers: AJUSA 81082800, GM GENUINE 11603109 and GM GENUINE 11548293, 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

10 Cylinder Head Gasket parts for the 2023 Chevrolet Blazer come from 4 brands — GM GENUINE, FEL-PRO, AJUSA and 1 other brand. The "Popular" part is GM GENUINE 12647574.

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

5 Cylinder Head Gasket Set parts for the 2023 Chevrolet Blazer come from 4 brands — ELRING, AJUSA, GM GENUINE and 1 other brand.

Listed part numbers: AJUSA 52613900, ELRING 048980 and ELRING 049010, plus the other parts above.

This table covers the Engine Block drain plugs. Read more

This group shows a single part: GM GENUINE 11602951.

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

GM GENUINE supplies both parts for the 2023 Chevrolet Blazer.

Listed part numbers: GM GENUINE 12586687 and GM GENUINE 12587380.

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

One part is listed for the 2023 Chevrolet Blazer — GM GENUINE 11518792.

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

This group shows a single part: AJUSA 50552200.

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

3 Exhaust Valve parts are listed for the 2023 Chevrolet Blazer, from GM GENUINE, MELLING and SBI.

Part numbers include GM GENUINE 12647868, MELLING V3468 and SBI 13468.

This table covers the followers that drive a mechanical fuel pump off the camshaft. Read more

This group shows a single part: GM GENUINE 12718357.

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

2 Harmonic Balancer parts for the 2023 Chevrolet Blazer come from GM GENUINE.

Part numbers include GM GENUINE 55487414 and GM GENUINE 12700427.

This table covers the Harmonic Balancer bolts. Read more

One part is listed for the 2023 Chevrolet Blazer — GM GENUINE 11546516.

This table covers the Intake insulators. Read more

This group shows a single part: GM GENUINE 12711487.

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

GM GENUINE supplies both parts for the 2023 Chevrolet Blazer.

Part numbers include GM GENUINE 55515837 and GM GENUINE 12674037.

This table covers the Intake Manifold bolts. Read more

3 Intake Manifold Bolt parts for the 2023 Chevrolet Blazer come from GM GENUINE.

Part numbers include GM GENUINE 11548171, GM GENUINE 11547321 and GM GENUINE 11547030.

This table covers the Intake Manifold covers. Read more

This group shows a single part: GM GENUINE 12680066.

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 for the 2023 Chevrolet Blazer come from 5 brands — GM GENUINE, AJUSA, ELRING and 2 other brands. The "Popular" part is GM GENUINE 12648665.

Part numbers include GM GENUINE 12648665, AJUSA 13332900 and ELRING 048550, 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

3 Intake Valve parts are listed for the 2023 Chevrolet Blazer, from GM GENUINE, MELLING and SBI.

This group includes GM GENUINE 12647867, MELLING V3467 and SBI 13467.

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

9 Motor Mount parts are listed for the 2023 Chevrolet Blazer, from GM GENUINE, ANCHOR, DEA / MARMON RIDE CONTROL and 2 other brands. GM GENUINE 84624770 carries the "Popular" badge.

Part numbers include GM GENUINE 84624770, ANCHOR 3526 and ANCHOR 3518, among others listed above.

This table covers the Motor Mount bolts. Read more

2 Motor Mount Bolt parts for the 2023 Chevrolet Blazer come from GM GENUINE. Every part fits both the 2.0L L4 Turbocharged and the 3.6L V6.

Part numbers include GM GENUINE 11547918 and GM GENUINE 11588741.

This table covers the Motor Mount Bracket bolts. Read more

This group shows a single part: GM GENUINE 11589279.

This table covers the Motor Mount kits. Read more

ANCHOR supplies the 4 Motor Mount Kit parts for the 2023 Chevrolet Blazer.

Listed part numbers: ANCHOR 300513, ANCHOR 300822 and ANCHOR 300504, 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

37 Oil parts are listed for the 2023 Chevrolet Blazer, from MOBIL, LIQUI MOLY, VALVOLINE and 3 other brands. ACDELCO 109302 carries the "Popular" badge. Grades run from Full Synthetic through High Mileage (>75,000 Miles); Full Synthetic is the most populated section, led by LIQUI MOLY, MOBIL, VALVOLINE and 3 other brands.

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. Read more

3 Oil Cooler parts are listed for the 2023 Chevrolet Blazer, from GM GENUINE and STANDARD MOTOR PRODUCTS.

This group includes GM GENUINE 55486915, GM GENUINE 12662732 and STANDARD MOTOR PRODUCTS OCK135.

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

4 Oil Cooler Gasket parts for the 2023 Chevrolet Blazer come from ELRING.

This group includes ELRING 815560, ELRING 074570 and ELRING 112790 and the remaining parts above.

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

GM GENUINE supplies the 4 Oil Cooler Line parts for the 2023 Chevrolet Blazer.

Part numbers include GM GENUINE 90572594, GM GENUINE 55505201 and GM GENUINE 11611503, among others listed above.

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. Read more

2 Oil Cooler Seal parts for the 2023 Chevrolet Blazer come from 2 brands — ACDELCO and GM GENUINE.

This group includes ACDELCO 55488933 and GM GENUINE 12733672.

This table covers the Oil Dipstick tubes. Read more

GM GENUINE supplies both parts for the 2023 Chevrolet Blazer.

Listed part numbers: GM GENUINE 12666871 and GM GENUINE 12672635.

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

4 Oil Dipstick / Tube Seal parts for the 2023 Chevrolet Blazer come from 3 brands — GM GENUINE, ELRING and FEL-PRO. 3 parts fit every engine; the other 1 is engine-specific.

Part numbers include ELRING 584210, FEL-PRO 73889 and GM GENUINE 24504031, among others listed above.

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

6 Oil Drain Plug parts are listed for the 2023 Chevrolet Blazer, from DORMAN and GM GENUINE.

This group includes DORMAN 090854CD, DORMAN 090854 and DORMAN 090948CD and the remaining parts 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

6 Oil Drain Plug Gasket parts for the 2023 Chevrolet Blazer come from 4 brands — GM GENUINE, DORMAN, AJUSA and 1 other brand. The "Popular" part is GM GENUINE 12616850.

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

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

4 Oil Filler Cap parts are listed for the 2023 Chevrolet Blazer, from ACDELCO, CALORSTAT and MOTORAD. 2 parts fit every engine; the other 2 are engine-specific.

Listed part numbers: ACDELCO FC275, ACDELCO FC268 and CALORSTAT OC2314, plus the other 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

3 Oil Filler Cap Gasket parts for the 2023 Chevrolet Blazer come from 2 brands — ELRING and GM GENUINE. Every part fits both the 2.0L L4 Turbocharged and the 3.6L V6.

Listed part numbers: ELRING 592250, ELRING 823620 and GM GENUINE 24100002.

This table covers the Oil Filler tubes. Read more

One part is listed for the 2023 Chevrolet Blazer — GM GENUINE 12686973.

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

20 Oil Filter parts are listed for the 2023 Chevrolet Blazer, from WIX, ACDELCO, FVP and 8 other brands. MOBIL M1212A carries the "Popular" badge.

In the Economy grade, FVP, PRO-TEC, VARIOUS MFR and 3 other brands supply 9 parts: the catalog's value-priced group. A representative part number is CHAMP / LUBER-FINER PH1500.

In the High Performance / Heavy Duty grade, 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 MOBIL M1212A.

The Standard Replacement section lists 8 options from ACDELCO, WIX, HASTINGS / BALDWIN and 1 other brand — built to original-equipment specification. ACDELCO PF66 is listed in this group.

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

GM GENUINE supplies the 4 Oil Galley Plug parts for the 2023 Chevrolet Blazer.

Part numbers include GM GENUINE 11570754, GM GENUINE 11562126 and GM GENUINE 09427693, among others listed above.

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

One part is listed for the 2023 Chevrolet Blazer — 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

2 Oil Level Sensor Gasket / O-Ring parts are listed for the 2023 Chevrolet Blazer, from ELRING and GM GENUINE. 1 part fits every engine; the other 1 is engine-specific.

Part numbers include ELRING 351330 and GM GENUINE 12638820.

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

6 Oil Pan parts for the 2023 Chevrolet Blazer come from 4 brands — DORMAN, GM GENUINE, SKP and 1 other brand.

Listed part numbers: DORMAN 266031, DORMAN 264884 and GM GENUINE 12717172, plus the other parts above.

This table covers the Oil Pan bolts. Read more

GM GENUINE supplies the 4 Oil Pan Bolt parts for the 2023 Chevrolet Blazer.

Part numbers include GM GENUINE 11588726, GM GENUINE 11588725 and GM GENUINE 11588694, among others listed above.