2019 GMC Terrain Engine Parts

This table covers the Balance shafts. Read more

This group shows a single part: GM GENUINE 25203088.

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

7 Balance Shaft Chain parts are listed for the 2019 GMC Terrain, from CLOYES, MELLING, GM GENUINE and 2 other brands. CLOYES C919 carries the "Popular" badge.

The Chain Only section lists 5 options from CLOYES, MELLING, GM GENUINE and 2 other brands — grouped under the catalog's "Chain Only" designation — the notes column spells out what sets them apart. CLOYES C919 is listed in this group.

In the Kit grade, CLOYES and MELLING supply 2 parts: grouped under the catalog's "Kit" designation — the notes column spells out what sets them apart. A representative part number is CLOYES 90919S.

Listed part numbers: CLOYES C919, MELLING 1094 and GM GENUINE 12626983, plus the other parts above.

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

5 Balance Shaft Chain Guide parts are listed for the 2019 GMC Terrain, from MELLING, CLOYES, GM GENUINE and 2 other brands. MELLING BG5150 carries the "Popular" badge.

This group includes MELLING BG5150, CLOYES 95953 and GM GENUINE 12655471 and the remaining parts above.

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

6 Balance Shaft Chain Tensioner parts for the 2019 GMC Terrain come from 6 brands — GM GENUINE, MELLING, CLOYES and 3 other brands. The "Popular" part is GM GENUINE 12626984.

Listed part numbers: GM GENUINE 12626984, MELLING BT5208 and CLOYES 95952, plus the other parts above.

This table covers the Balance Shaft sprockets. Read more

6 Balance Shaft Sprocket parts are listed for the 2019 GMC Terrain, from GM GENUINE, MELLING, CLOYES and 3 other brands. GM GENUINE 12655716 carries the "Popular" badge.

Listed part numbers: GM GENUINE 12655716, MELLING S1370 and CLOYES S1101, plus the other parts above.

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

GM GENUINE supplies the 4 Camshaft parts for the 2019 GMC Terrain.

Part numbers include GM GENUINE 55501297, GM GENUINE 55501298 and GM GENUINE 12626896, among others listed above.

This table covers the gaskets that seal the Camshaft Housing. 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 2019 GMC Terrain — GM GENUINE 55571587.

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: GM GENUINE 12574477.

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. Read more

This group shows a single part: GM GENUINE 11588547.

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

One part is listed for the 2019 GMC Terrain — GM GENUINE 12674411.

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

GM GENUINE supplies the 3 Connecting Rod Bearing parts for the 2019 GMC Terrain.

This group includes GM GENUINE 55588335, GM GENUINE 55588336 and GM GENUINE 12668645.

This table covers the Connecting Rod bolts. Read more

This group shows a single part: GM GENUINE 11548927.

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

AJUSA supplies both parts for the 2019 GMC Terrain.

This group includes AJUSA 54227400 and AJUSA 54229400.

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

One part is listed for the 2019 GMC Terrain — GM GENUINE 12626959.

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

5 Crankshaft Main Bearing parts for the 2019 GMC Terrain come from GM GENUINE.

This group includes GM GENUINE 55588331, GM GENUINE 55588332 and GM GENUINE 55588333 and the remaining parts above.

This table covers the sleeves used to restore a grooved crankshaft seal surface. Read more

6 Crankshaft Repair Sleeve parts for the 2019 GMC Terrain come from 3 brands — NATIONAL, WJB / INMOTION PARTS and BCA. The "Popular" part is NATIONAL 99353.

Listed part numbers: NATIONAL 99353, WJB / INMOTION PARTS WS99166 and BCA NS99166, plus the other parts 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

17 Crankshaft Seal parts for the 2019 GMC Terrain come from 11 brands — GM GENUINE, AJUSA, WJB / INMOTION PARTS and 8 other brands. The "Popular" part is FEL-PRO BS40739. 1 part fits every engine; the other 16 are engine-specific.

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

This group shows a single part: GM GENUINE 12690428.

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

One part is listed for the 2019 GMC Terrain — 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 2019 GMC Terrain, from AJUSA and GM GENUINE.

This group includes AJUSA 81064400, AJUSA 81065100 and GM GENUINE 11546622 and the remaining 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

11 Cylinder Head Gasket parts are listed for the 2019 GMC Terrain, from GM GENUINE, AJUSA, APEX and 2 other brands. GM GENUINE 55598159 carries the "Popular" badge.

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

4 Cylinder Head Gasket Set parts are listed for the 2019 GMC Terrain, from AJUSA, GM GENUINE and MAHLE / CLEVITE.

Part numbers include AJUSA 53061100, AJUSA 52587400 and GM GENUINE 28290128, among others listed above.

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

2 Engine Block Heater parts for the 2019 GMC Terrain come from GM GENUINE.

Listed part numbers: GM GENUINE 55597519 and GM GENUINE 12586687.

This table covers the Engine covers. Read more

3 Engine Cover parts are listed for the 2019 GMC Terrain, from TECHPRO and GM GENUINE. 2 parts fit every engine; the other 1 is engine-specific.

Listed part numbers: GM GENUINE 25201318, TECHPRO GM1228161 and TECHPRO GM1228160.

This table covers the Engine Cover grommets. Read more

This group shows a single part: GM GENUINE 12737359.

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

AJUSA supplies both parts for the 2019 GMC Terrain.

This group includes AJUSA 51065800 and AJUSA 50535600.

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 for the 2019 GMC Terrain come from 2 brands — GM GENUINE and MELLING.

Part numbers include GM GENUINE 55500468, GM GENUINE 12684736 and MELLING V5816.

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

2 Fuel Pump Camshaft Follower parts are listed for the 2019 GMC Terrain, from GM GENUINE and WELLS.

Listed part numbers: GM GENUINE 12718357 and WELLS 5T5013.

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

6 Harmonic Balancer parts are listed for the 2019 GMC Terrain, from GM GENUINE, SKP, ATP and 2 other brands. GM GENUINE 25202078 carries the "Popular" badge.

In the Economy grade, SKP supplies 1 part: the catalog's value-priced group. A representative part number is SKP SK594713.

The Standard Replacement section lists 4 options from GM GENUINE, ATP, DORMAN and 1 other brand — built to original-equipment specification. GM GENUINE 25202078 is listed in this group.

1 ungrouped part is not assigned to a grade, with the same engine-level match.

This group includes GM GENUINE 25202078, SKP SK594713 and ATP 102479 and the remaining parts above.

This table covers the Harmonic Balancer bolts. Read more

2 Harmonic Balancer Bolt parts for the 2019 GMC Terrain come from 2 brands — DORMAN and GM GENUINE.

Part numbers include DORMAN 917139 and GM GENUINE 12557840.

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

3 Intake Manifold parts for the 2019 GMC Terrain come from 2 brands — GM GENUINE and VAICO.

Listed part numbers: GM GENUINE 55505747, GM GENUINE 12646130 and VAICO V510602.

This table covers the Intake Manifold bolts. Read more

One part is listed for the 2019 GMC Terrain — GM GENUINE 11588352.

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

7 Intake Manifold Gasket parts are listed for the 2019 GMC Terrain, from AJUSA, GM GENUINE, APEX and 2 other brands.

Listed part numbers: AJUSA 13267000, AJUSA 13268400 and APEX AMS14140, plus the other parts 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

4 Intake Valve parts for the 2019 GMC Terrain come from 3 brands — GM GENUINE, MELLING and QUALCAST.

This group includes GM GENUINE 55569934, GM GENUINE 12662527 and MELLING V3441 and the remaining parts above.

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

12 Motor Mount parts for the 2019 GMC Terrain come from 5 brands — ANCHOR, PIONEER, GM GENUINE and 2 other brands. The "Popular" part is ANCHOR 3650. 2 parts fit every engine; the other 10 are engine-specific.

This table covers the Motor Mount bolts. Read more

One part is listed for the 2019 GMC Terrain — GM GENUINE 11547918.

This table covers the Motor Mount kits. Read more

2 Motor Mount Kit parts for the 2019 GMC Terrain come from ANCHOR.

This group includes ANCHOR 300731 and ANCHOR 300730.

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

39 Oil parts for the 2019 GMC Terrain come from 6 brands — LIQUI MOLY, VALVOLINE, LUCAS OIL and 3 other brands. The "Popular" part is ACDELCO 109324. Grades run from Full Synthetic through High Mileage (>75,000 Miles); Full Synthetic is the most populated section, led by VALVOLINE, LIQUI MOLY, MOBIL and 3 other brands.

This table covers the Oil check valves. Read more

This group shows a single part: GM GENUINE 55563957.

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

5 Oil Cooler parts for the 2019 GMC Terrain come from 4 brands — GM GENUINE, ACDELCO, DORMAN and 1 other brand.

Listed part numbers: ACDELCO 25202979, DORMAN 918481 and GM GENUINE 55501530, plus the other parts above.

This table covers the seals at the Oil Cooler Adapter. 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 Adapter Seal parts for the 2019 GMC Terrain come from GM GENUINE.

This group includes GM GENUINE 55576424 and GM GENUINE 55576423.

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 are listed for the 2019 GMC Terrain, from FEL-PRO and GM GENUINE.

Listed part numbers: FEL-PRO 73470 and GM GENUINE 25202978.

This table covers the Oil Dipstick tubes. Read more

4 Oil Dipstick / Tube parts for the 2019 GMC Terrain come from 2 brands — GM GENUINE and DORMAN.

This group includes DORMAN 918828, GM GENUINE 55569973 and GM GENUINE 12654077 and the remaining parts above.

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

2 Oil Dipstick / Tube Seal parts are listed for the 2019 GMC Terrain, from FEL-PRO and GM GENUINE. All of them fit every engine offered in the 2019 Terrain.

Listed part numbers: FEL-PRO 73889 and GM GENUINE 24504031.

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

5 Oil Drain Plug parts for the 2019 GMC Terrain come from 3 brands — GM GENUINE, DORMAN and VAICO. The "Popular" part is GM GENUINE 11562588. 3 parts fit every engine; the other 2 are engine-specific.

This group includes GM GENUINE 11562588, DORMAN 090948CD and DORMAN 090948 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

9 Oil Drain Plug Gasket parts are listed for the 2019 GMC Terrain, from FEL-PRO, DORMAN, GM GENUINE and 4 other brands. FEL-PRO 70820 carries the "Popular" badge. 8 parts fit every engine; the other 1 is engine-specific.

This group includes FEL-PRO 70820, GM GENUINE 12616850 and AJUSA 01288800 and the remaining parts above.

This table covers the Oil Drain Plug inserts. Read more

One part is listed for the 2019 GMC Terrain — GM GENUINE 11503302.

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

6 Oil Filler Cap parts for the 2019 GMC Terrain come from 4 brands — ACDELCO, CALORSTAT, DORMAN and 1 other brand. The "Popular" part is ACDELCO FC279.

Listed part numbers: ACDELCO FC279, ACDELCO FC259 and ACDELCO FC268, 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

2 Oil Filler Cap Gasket parts are listed for the 2019 GMC Terrain, from FEL-PRO and GM GENUINE. 1 part fits every engine; the other 1 is engine-specific.

Part numbers include FEL-PRO 73193 and GM GENUINE 24100002.

This table covers the gaskets that seal the Oil Filler Tube. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

One part is listed for the 2019 GMC Terrain — GM GENUINE 55580018.