2018 Chevrolet Malibu Engine Parts

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

This group shows a single part: GM GENUINE 55581181.

This table covers the Camshaft 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 55574068.

This table covers the wear sleeves used to restore a Camshaft seal surface. Read more

3 Camshaft Repair Sleeve parts are listed for the 2018 Chevrolet Malibu, from BCA, NATIONAL and WJB / INMOTION PARTS.

Part numbers include BCA NS99139, NATIONAL 99139 and WJB / INMOTION PARTS WS99139.

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

2 Camshaft Seal parts are listed for the 2018 Chevrolet Malibu, from NATIONAL and WJB / INMOTION PARTS.

Part numbers include NATIONAL 710799 and WJB / INMOTION PARTS WS710799.

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

This group shows a single part: GM GENUINE 55597349.

This table covers the Connecting Rod bolts. Read more

One part is listed for the 2018 Chevrolet Malibu — GM GENUINE 55569202.

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 54218700.

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

3 Crankshaft Main Bearing parts are listed for the 2018 Chevrolet Malibu, from GM GENUINE and ENGINETECH.

This group includes ENGINETECH BC206J, GM GENUINE 55486810 and GM GENUINE 55486828.

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

4 Crankshaft Repair Sleeve parts are listed for the 2018 Chevrolet Malibu, from WJB / INMOTION PARTS, BCA and NATIONAL.

Listed part numbers: BCA NS99166, NATIONAL 99166 and WJB / INMOTION PARTS WS99166, 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

7 Crankshaft Seal parts are listed for the 2018 Chevrolet Malibu, from GM GENUINE, NATIONAL, AJUSA and 4 other brands. GM GENUINE 29616 carries the "Popular" badge.

Listed part numbers: GM GENUINE 29616, NATIONAL 711024 and AJUSA 15083600, plus the other parts above.

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

This group shows a single part: AJUSA 81063600.

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

2 Cylinder Head Gasket parts for the 2018 Chevrolet Malibu come from 2 brands — AJUSA and GM GENUINE.

Part numbers include AJUSA 10262200 and GM GENUINE 55572671.

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

This group shows a single part: AJUSA 52607400.

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

2 Engine Block Heater parts are listed for the 2018 Chevrolet Malibu, from GM GENUINE and KAT'S HEATERS.

This group includes GM GENUINE 12586687 and KAT'S HEATERS 24150.

This table covers the Engine covers. Read more

4 Engine Cover parts for the 2018 Chevrolet Malibu come from 2 brands — TECHPRO and VARIOUS MFR.

This group includes TECHPRO GM1228208, TECHPRO GM1228209 and TECHPRO GM1228151 and the remaining parts above.

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 50549500.

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 2018 Chevrolet Malibu, from ENGINETECH, GM GENUINE and QUALCAST.

This group includes ENGINETECH V1823, GM GENUINE 55572668 and QUALCAST 1030849.

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

2 Fuel Pump Camshaft Follower parts for the 2018 Chevrolet Malibu come from 2 brands — GM GENUINE and WELLS.

This group includes GM GENUINE 12718357 and WELLS 5T5013.

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

This group shows a single part: GM GENUINE 55491270.

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

One part is listed for the 2018 Chevrolet Malibu — GM GENUINE 55509565.

This table covers the Intake Manifold bolts. Read more

2 Intake Manifold Bolt parts for the 2018 Chevrolet Malibu come from GM GENUINE.

Listed part numbers: GM GENUINE 11611224 and GM GENUINE 13306048.

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

2 Intake Manifold Gasket parts for the 2018 Chevrolet Malibu come from 2 brands — AJUSA and GM GENUINE.

This group includes AJUSA 13329300 and GM GENUINE 55581247.

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 2018 Chevrolet Malibu, from ENGINETECH, GM GENUINE and QUALCAST.

Listed part numbers: ENGINETECH V1824, GM GENUINE 55572667 and QUALCAST 1030850.

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

2 Motor Mount parts are listed for the 2018 Chevrolet Malibu, from DEA / MARMON RIDE CONTROL and GM GENUINE.

Listed part numbers: DEA / MARMON RIDE CONTROL A20170 and GM GENUINE 84125837.

This table covers the Motor Mount bolts. Read more

This group shows a single part: GM GENUINE 11547918.

This table covers the Motor Mount Bracket bolts. Read more

This group shows a single part: GM GENUINE 11546406.

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

29 Oil parts are listed for the 2018 Chevrolet Malibu, from VALVOLINE, LIQUI MOLY, MOBIL and 2 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, VALVOLINE, LUCAS OIL and 2 other brands.

This table covers the Oil check valves. Read more

GM GENUINE supplies both parts for the 2018 Chevrolet Malibu.

This group includes GM GENUINE 55563957 and GM GENUINE 90573622.

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

4 Oil Cooler parts are listed for the 2018 Chevrolet Malibu, from VEMO, DORMAN and GM GENUINE.

Part numbers include DORMAN 918432, GM GENUINE 55493558 and VEMO V40602114, 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 2018 Chevrolet Malibu come from GM GENUINE.

Part numbers include GM GENUINE 55570690 and GM GENUINE 55570687.

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 for the 2018 Chevrolet Malibu come from GM GENUINE.

This group includes GM GENUINE 55594383 and GM GENUINE 55589298.

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

3 Oil Drain Plug parts are listed for the 2018 Chevrolet Malibu, from DORMAN and GM GENUINE.

Listed part numbers: DORMAN 090948CD, DORMAN 090948 and GM GENUINE 55577568.

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 for the 2018 Chevrolet Malibu come from 7 brands — FEL-PRO, DORMAN, GM GENUINE and 4 other brands. The "Popular" part is FEL-PRO 70820.

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

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

3 Oil Filler Cap parts are listed for the 2018 Chevrolet Malibu, from ACDELCO, DORMAN and MOTORAD.

Listed part numbers: ACDELCO 12713785, DORMAN 90202 and MOTORAD MO190.

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

This group shows a single part: FEL-PRO 73193.

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

23 Oil Filter parts are listed for the 2018 Chevrolet Malibu, from WIX, MAHLE / CLEVITE, CHAMP / LUBER-FINER and 11 other brands. CHAMP / LUBER-FINER P981 carries the "Popular" badge.

In the Economy grade, PRO-TEC, CHAMP / LUBER-FINER, FRAM and 4 other brands supply 8 parts: the catalog's value-priced group. A representative part number is CHAMP / LUBER-FINER P981.

In the High Performance / Heavy Duty grade, WIX and MOBIL supply 2 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 WIX 57674XP.

The Standard Replacement section lists 13 options from MAHLE / CLEVITE, ACDELCO, WIX and 6 other brands — built to original-equipment specification. ACDELCO PF2257G is listed in this group.

This table covers the Oil Filter adapters. Read more

This group shows a single part: TECHPRO 86GM103.

This table covers the Oil Filter covers. Read more

2 Oil Filter Cover parts for the 2018 Chevrolet Malibu come from 2 brands — GM GENUINE and VAICO.

This group includes GM GENUINE 55593190 and VAICO V401636.

This table covers the Oil Filter housings. Read more

2 Oil Filter Housing parts for the 2018 Chevrolet Malibu come from 2 brands — ACDELCO and AUTOTECNICA.

Listed part numbers: ACDELCO 55581537 and AUTOTECNICA GM1416056.

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

One part is listed for the 2018 Chevrolet Malibu — GM GENUINE 11570754.

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

This group shows a single part: GM GENUINE 55581539.

This table covers the Oil Pan bolts. Read more

One part is listed for the 2018 Chevrolet Malibu — GM GENUINE 11588714.

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

One part is listed for the 2018 Chevrolet Malibu — VICTOR REINZ 703141410.

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

This group shows a single part: GM GENUINE 55575506.

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

3 Piston parts for the 2018 Chevrolet Malibu come from 2 brands — GM GENUINE and ENGINETECH.

Listed part numbers: ENGINETECH K15074P, GM GENUINE 55484852 and GM GENUINE 55484854.

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

2 Piston Ring parts for the 2018 Chevrolet Malibu come from GM GENUINE.

Part numbers include GM GENUINE 55486808 and GM GENUINE 55486809.

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

3 Rocker Arm parts are listed for the 2018 Chevrolet Malibu, from GM GENUINE, MELLING and QUALCAST.

Part numbers include GM GENUINE 55569172, MELLING MR1355 and QUALCAST 402920.

This table covers the Timing belts. Typical signs include squeal on cold start, cracked ribs, or glazing. Spin the tensioner and idlers by hand while the belt is off. Read more

This group shows a single part: ENGINETECH TB338.

This table covers the Timing Belt 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

2 Timing Belt Tensioner parts are listed for the 2018 Chevrolet Malibu, from ENGINETECH and INA.

This group includes ENGINETECH TT067 and INA ZB0724.

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

This group shows a single part: GM GENUINE 55569250.

This table covers the Timing Chain Tensioner bushings. Typical signs include a clunk over bumps, or a torn or walked-out bushing you can see. Press the new bushing square. A cocked bushing will tear in a few thousand miles. Read more

One part is listed for the 2018 Chevrolet Malibu — GM GENUINE 90573487.

This table covers the Timing Cover bolts. Read more

One part is listed for the 2018 Chevrolet Malibu — GM GENUINE 11588713.

This table covers the seals at the Timing Cover. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again. Read more

One part is listed for the 2018 Chevrolet Malibu — SKF 17659.

This table covers the Timing idlers. Typical signs include a chirp that follows engine speed, or an idler that feels rough or has play. Replace a noisy idler with the belt — the labor is already paid for. Read more

One part is listed for the 2018 Chevrolet Malibu — ENGINETECH TT068.

This table covers the Torque Strut mounts. 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

4 Torque Strut Mount parts for the 2018 Chevrolet Malibu come from 4 brands — ANCHOR, DEA / MARMON RIDE CONTROL, PIONEER and 1 other brand.

Part numbers include ANCHOR 3389, DEA / MARMON RIDE CONTROL A20169 and PIONEER 633389, among others listed above.

This table covers the Valve covers. Read more

This group shows a single part: GM GENUINE 25203563.

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

2 Valve Cover Gasket parts are listed for the 2018 Chevrolet Malibu, from AJUSA and GM GENUINE.

Part numbers include AJUSA 11173400 and GM GENUINE 55581627.

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

7 Valve Lifter parts are listed for the 2018 Chevrolet Malibu, from GM GENUINE, MELLING, AJUSA and 4 other brands. GM GENUINE HL129 carries the "Popular" badge.

Part numbers include GM GENUINE HL129, MELLING JB7524 and AJUSA 85018700, among others listed above.

This table covers the keepers that lock each valve-spring retainer to the stem. Read more

4 Valve Spring Retainer Keeper parts for the 2018 Chevrolet Malibu come from 4 brands — GM GENUINE, MELLING, QUALCAST and 1 other brand.

This group includes GM GENUINE 90529533, MELLING VL1131 and QUALCAST 345033 and the remaining parts above.

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. Read more

4 Valve Stem Seal parts are listed for the 2018 Chevrolet Malibu, from AJUSA and GM GENUINE.

Listed part numbers: AJUSA 12035400, AJUSA 12039200 and AJUSA 57079600, plus the other parts above.

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. Read more

3 Variable Valve Timing (VVT) Solenoid / Actuator parts are listed for the 2018 Chevrolet Malibu, from WELLS, GM GENUINE and STANDARD MOTOR PRODUCTS.

Economy: 1 part, from WELLS. A representative part number is WELLS 2T1316.

The Standard Replacement section: 2 options from GM GENUINE and STANDARD MOTOR PRODUCTS. GM GENUINE 55599164 is listed in this group.

Part numbers include WELLS 2T1316, GM GENUINE 55599164 and STANDARD MOTOR PRODUCTS VVT386.

This table covers the cam phaser sprockets used by the variable-valve-timing system. Read more

2 Variable Valve Timing (VVT) Sprocket parts are listed for the 2018 Chevrolet Malibu, from STANDARD MOTOR PRODUCTS and WELLS.

Listed part numbers: STANDARD MOTOR PRODUCTS VVT677 and WELLS 3T1150.