2018 Nissan Altima Engine Parts

This table covers the Balance Shaft 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

One part is listed for the 2018 Nissan Altima — TOPLINE ISBD42.

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

6 Balance Shaft Chain parts for the 2018 Nissan Altima come from 5 brands — S.A. GEAR, CLOYES, MELLING and 2 other brands. The "Popular" part is CLOYES C902.

Listed part numbers: CLOYES C902, MELLING 1053 and INA ZCC902, plus the other parts above.

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

2 Balance Shaft Chain Guide parts for the 2018 Nissan Altima come from 2 brands — INA and S.A. GEAR.

Listed part numbers: INA ZG95616 and S.A. GEAR 71181.

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

4 Balance Shaft Chain Tensioner parts are listed for the 2018 Nissan Altima, from CLOYES, INA, MELLING and 1 other brand.

Part numbers include CLOYES 95606, INA ZT95606 and MELLING BT7013, among others listed above.

This table covers the Balance Shaft sprockets. Read more

4 Balance Shaft Sprocket parts for the 2018 Nissan Altima come from 4 brands — INA, MELLING, PREFERRED COMPONENTS INC and 1 other brand.

This group includes INA ZSS945, MELLING S945 and PREFERRED COMPONENTS INC G56320C and the remaining parts above.

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

3 Connecting Rod parts for the 2018 Nissan Altima come from 2 brands — TOPLINE and ENGINETECH.

Listed part numbers: ENGINETECH ECR117, TOPLINE CRD42 and TOPLINE CRD41.

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

6 Connecting Rod Bearing parts for the 2018 Nissan Altima come from 2 brands — KING ENGINE BEARINGS and TOPLINE.

The High Performance section lists 2 options from KING ENGINE BEARINGS — engineered beyond original-equipment specification. KING ENGINE BEARINGS CR6775XP is listed in this group.

In the Standard Replacement grade, KING ENGINE BEARINGS and TOPLINE supply 2 parts: built to original-equipment specification. A representative part number is KING ENGINE BEARINGS CR6775CP.

2 further parts sit outside the graded sections, with the same engine-level match.

Part numbers include KING ENGINE BEARINGS CR6775XP, KING ENGINE BEARINGS CR6775XPX and KING ENGINE BEARINGS CR6775CP, among others listed above.

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

12 Conversion / Lower Gasket Set parts for the 2018 Nissan Altima come from 7 brands — ENGINETECH, FEL-PRO, AJUSA and 4 other brands. The "Popular" part is ENGINETECH NI25CSA.

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

9 Crankshaft Main Bearing parts are listed for the 2018 Nissan Altima, from KING ENGINE BEARINGS, TOPLINE and MAHLE / CLEVITE. TOPLINE TWD34 carries the "Popular" badge.

High Performance: 2 parts, from KING ENGINE BEARINGS. A representative part number is KING ENGINE BEARINGS MB4058XPX.

The Standard Replacement section: 3 options from TOPLINE and KING ENGINE BEARINGS. TOPLINE TWD34 is listed in this group.

4 ungrouped parts are not assigned to a grade, with the same engine-level match.

Part numbers include TOPLINE TWD34, KING ENGINE BEARINGS MB4058XPX and KING ENGINE BEARINGS MB4058XP, among others listed above.

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

5 Crankshaft Repair Sleeve parts are listed for the 2018 Nissan Altima, from NATIONAL, WJB / INMOTION PARTS and BCA.

Part numbers include BCA NS99189, NATIONAL 99181 and NATIONAL 99189, 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

32 Crankshaft Seal parts are listed for the 2018 Nissan Altima, from NATIONAL, WJB / INMOTION PARTS, VICTOR REINZ and 9 other brands. BCA NS710356 carries the "Popular" badge. The notes list position, dimensions and spec qualifiers wherever the manufacturer distinguishes between variants.

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

16 Cylinder Head Bolt parts for the 2018 Nissan Altima come from 9 brands — FEL-PRO, AJUSA, APEX and 6 other brands. The "Popular" part is AJUSA 81047800.

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

20 Cylinder Head Gasket parts for the 2018 Nissan Altima come from 8 brands — APEX, FEL-PRO, AJUSA and 5 other brands. The "Popular" part is APEX AHG567.

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

12 Cylinder Head Gasket Set parts for the 2018 Nissan Altima come from 7 brands — FEL-PRO, APEX, ITM ENGINE COMPONENTS and 4 other brands. The "Popular" part is APEX AHS5067.

This table covers the Cylinder Head Spacer shims. Read more

2 Cylinder Head Spacer Shim parts for the 2018 Nissan Altima come from 2 brands — ENGINETECH and SBI.

Listed part numbers: ENGINETECH CHS1054 and SBI 2302139.

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

KAT'S HEATERS supplies the 4 Engine Block Heater parts for the 2018 Nissan Altima. 1 part fits every engine; the other 3 are engine-specific.

Part numbers include KAT'S HEATERS 28400, KAT'S HEATERS 28500 and KAT'S HEATERS 16600, among others listed above.

This table covers the Engine covers. Read more

5 Engine Cover parts for the 2018 Nissan Altima come from 2 brands — TECHPRO and VARIOUS MFR. The "Popular" part is TECHPRO NI1228159. Every part fits both the 2.5L L4 and the 3.5L V6.

This group includes TECHPRO NI1228159, TECHPRO NI1228160 and TECHPRO NI1228164 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

6 Engine Kit Gasket Set parts for the 2018 Nissan Altima come from 4 brands — AJUSA, TOPLINE, ELRING and 1 other brand.

This group includes AJUSA 50435000, AJUSA 50462900 and ELRING 588660 and the remaining parts above.

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

5 Exhaust Valve parts are listed for the 2018 Nissan Altima, from TOPLINE, ENGINETECH, MELLING and 1 other brand.

This group includes ENGINETECH EM4475, MELLING V5834 and SBI 13221 and the remaining parts above.

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

9 Harmonic Balancer parts for the 2018 Nissan Altima come from 5 brands — DORMAN, ATP, DAYCO and 2 other brands. The "Popular" part is DORMAN 594301.

Listed part numbers: DORMAN 594301, ATP 102285 and ATP 102385, plus the other parts above.

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

11 Intake Manifold Gasket parts for the 2018 Nissan Altima come from 8 brands — APEX, FEL-PRO, MAHLE / CLEVITE and 5 other brands. The "Popular" part is APEX AMS5671.

This table covers the Intake Manifold Runner 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

2 Intake Manifold Runner Control Valve / Solenoid parts for the 2018 Nissan Altima come from 2 brands — DORMAN and ULTRA-POWER.

Listed part numbers: DORMAN 911506, plus the other parts above.

This table covers the gaskets that seal the Intake Plenum. 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

8 Intake Plenum Gasket parts are listed for the 2018 Nissan Altima, from APEX, FEL-PRO, MAHLE / CLEVITE and 2 other brands.

This group includes AJUSA 01291300, APEX AMS5582 and APEX AMS5620 and the remaining 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 are listed for the 2018 Nissan Altima, from TOPLINE, ENGINETECH and SBI.

Listed part numbers: ENGINETECH IM4474, SBI 13079 and TOPLINE IVD42N, plus the other 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

23 Motor Mount parts are listed for the 2018 Nissan Altima, from ANCHOR, PIONEER, WESTAR and 2 other brands. ANCHOR 9622 carries the "Popular" badge.

In the Economy grade, SKP supplies 3 parts: the catalog's value-priced group. A representative part number is SKP SKMA4365HY.

The Standard Replacement section: 12 options from ANCHOR, PIONEER, WESTAR and 1 other brand. ANCHOR 9622 is listed in this group.

8 ungrouped parts are not assigned to a grade, with the same engine-level match.

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. Read more

One part is listed for the 2018 Nissan Altima — DEA / MARMON RIDE CONTROL A43009.

This table covers the Motor Mount kits. Read more

ANCHOR supplies the 3 Motor Mount Kit parts for the 2018 Nissan Altima.

Listed part numbers: ANCHOR 300347, ANCHOR 301402 and ANCHOR 300314.