2018 Nissan Pathfinder Engine Parts

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

4 Connecting Rod Bearing parts are listed for the 2018 Nissan Pathfinder, from KING ENGINE BEARINGS and TOPLINE.

In the High Performance grade, KING ENGINE BEARINGS supplies 2 parts: engineered beyond original-equipment specification. A representative part number is KING ENGINE BEARINGS CR6775XP.

The Standard Replacement section lists 2 options from KING ENGINE BEARINGS and TOPLINE — built to original-equipment specification. KING ENGINE BEARINGS CR6775CP is listed in this group.

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

5 Conversion / Lower Gasket Set parts are listed for the 2018 Nissan Pathfinder, from AJUSA, ENGINETECH, MAHLE / CLEVITE and 1 other brand. AJUSA 54270200 carries the "Popular" badge.

Listed part numbers: AJUSA 54270200, AJUSA 54338600 and ENGINETECH NI35CSD, plus the other parts above.

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 2018 Nissan Pathfinder come from 2 brands — KING ENGINE BEARINGS and TOPLINE. The "Popular" part is TOPLINE TWD34.

The High Performance section: 2 options from KING ENGINE BEARINGS. KING ENGINE BEARINGS MB4058XPX is listed in this group.

Standard Replacement: 3 parts, from TOPLINE and KING ENGINE BEARINGS. A representative part number is TOPLINE TWD34.

This group includes TOPLINE TWD34, KING ENGINE BEARINGS MB4058XPX and KING ENGINE BEARINGS MB4058XP and the remaining parts above.

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

3 Crankshaft Repair Sleeve parts for the 2018 Nissan Pathfinder come from 3 brands — BCA, NATIONAL and WJB / INMOTION PARTS.

Part numbers include BCA NS99189, NATIONAL 99189 and WJB / INMOTION PARTS WS99189.

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 for the 2018 Nissan Pathfinder come from 7 brands — FEL-PRO, MAHLE / CLEVITE, AJUSA and 4 other brands. The "Popular" part is FEL-PRO BS40730.

Part numbers include FEL-PRO BS40730, MAHLE / CLEVITE 67764 and AJUSA 15092900, among others listed above.

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

6 Cylinder Head Bolt parts are listed for the 2018 Nissan Pathfinder, from AJUSA, APEX, BECK/ARNLEY and 3 other brands. AJUSA 81047800 carries the "Popular" badge.

Part numbers include AJUSA 81047800, APEX AHB534 and BECK/ARNLEY 0161026, among others listed 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

9 Cylinder Head Gasket parts are listed for the 2018 Nissan Pathfinder, from AJUSA and MAHLE / CLEVITE. MAHLE / CLEVITE 54586 carries the "Popular" badge.

This group includes MAHLE / CLEVITE 54586, MAHLE / CLEVITE 54587 and AJUSA 10181300 and the remaining parts above.

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 are listed for the 2018 Nissan Pathfinder, from AJUSA, TOPLINE, ENGINETECH and 1 other brand. TOPLINE HSD52 carries the "Popular" badge.

Part numbers include TOPLINE HSD52, AJUSA 52514700 and AJUSA 52654500, 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 2018 Nissan Pathfinder come from KAT'S HEATERS.

Part numbers include KAT'S HEATERS 16600 and KAT'S HEATERS 28500.

This table covers the Engine covers. Read more

2 Engine Cover parts are listed for the 2018 Nissan Pathfinder, from TECHPRO and VARIOUS MFR.

This group includes TECHPRO NI1228154 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

3 Engine Kit Gasket Set parts are listed for the 2018 Nissan Pathfinder, from AJUSA and TOPLINE.

Part numbers include AJUSA 50464600, AJUSA 50582600 and TOPLINE CGSD52.

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 2018 Nissan Pathfinder come from 2 brands — ENGINETECH and TOPLINE.

This group includes ENGINETECH EM3509 and TOPLINE EVD52.

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

3 Harmonic Balancer parts are listed for the 2018 Nissan Pathfinder, from ATP, DAYCO and DORMAN.

Part numbers include ATP 102385, DAYCO PB1682N and DORMAN 594433.

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

3 Intake Manifold Gasket parts are listed for the 2018 Nissan Pathfinder, from AJUSA and MAHLE / CLEVITE.

Listed part numbers: AJUSA 13261900, AJUSA 13314800 and MAHLE / CLEVITE MS19450.

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

3 Intake Manifold Runner Control Valve / Solenoid parts are listed for the 2018 Nissan Pathfinder, from DORMAN, STANDARD MOTOR PRODUCTS and ULTRA-POWER.

Listed part numbers: DORMAN 911506 and STANDARD MOTOR PRODUCTS RCS103, 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

3 Intake Plenum Gasket parts for the 2018 Nissan Pathfinder come from 3 brands — AJUSA, FEL-PRO and MAHLE / CLEVITE.

Part numbers include AJUSA 01291300, FEL-PRO MS97220 and MAHLE / CLEVITE MS19419.

This table covers the gaskets that seal the Intake to Exhaust. 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: ELRING 878140.

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 2018 Nissan Pathfinder come from 2 brands — ENGINETECH and TOPLINE.

Listed part numbers: ENGINETECH IM3510 and TOPLINE IVD52.

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 for the 2018 Nissan Pathfinder come from 6 brands — ANCHOR, DEA / MARMON RIDE CONTROL, WESTAR and 3 other brands. The "Popular" part is SKP SKM9808.

The Economy section lists 3 options from SKP — the catalog's value-priced group. SKP SKM9808 is listed in this group.

Standard Replacement: 20 parts, from ANCHOR, DEA / MARMON RIDE CONTROL, WESTAR and 2 other brands. A representative part number is ANCHOR 9808.

This table covers the Motor Mount kits. Read more

2 Motor Mount Kit parts for the 2018 Nissan Pathfinder come from ANCHOR.

This group includes ANCHOR 300211 and ANCHOR 300310.

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 for the 2018 Nissan Pathfinder come from 6 brands — LIQUI MOLY, VALVOLINE, MOBIL and 3 other brands. The "Popular" part is LIQUI MOLY 22044. They are grouped as Full Synthetic and High Mileage (>75,000 Miles), with Full Synthetic the largest group at 30 parts from LIQUI MOLY, VALVOLINE, MOBIL 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

2 Oil Cooler parts for the 2018 Nissan Pathfinder come from 2 brands — ACKOJA and STANDARD MOTOR PRODUCTS.

This group includes ACKOJA A38600022 and STANDARD MOTOR PRODUCTS OCK78.

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

3 Oil Cooler Seal parts are listed for the 2018 Nissan Pathfinder, from FEL-PRO and MAHLE / CLEVITE.

Part numbers include FEL-PRO 72493, FEL-PRO 71863 and MAHLE / CLEVITE B33344.

This table covers the Oil Dipstick tubes. Read more

This group shows a single part: DORMAN 917445.

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

5 Oil Drain Plug parts for the 2018 Nissan Pathfinder come from 4 brands — DORMAN, AGS, BECK/ARNLEY and 1 other brand. The "Popular" part is DORMAN 090038.

This group includes DORMAN 090038, AGS ODP00011 and BECK/ARNLEY 0160116 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

5 Oil Drain Plug Gasket parts are listed for the 2018 Nissan Pathfinder, from DORMAN, AJUSA, APEX and 1 other brand. DORMAN 097134 carries the "Popular" badge.

This group includes DORMAN 097134, AJUSA 01140600 and APEX ADP1904 and the remaining parts above.

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

5 Oil Filler Cap parts for the 2018 Nissan Pathfinder come from 5 brands — MOTORAD, CALORSTAT, DORMAN and 2 other brands. The "Popular" part is MOTORAD MO107.

This group includes MOTORAD MO107, CALORSTAT OC2316 and DORMAN 90200 and the remaining parts above.

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

17 Oil Filter parts for the 2018 Nissan Pathfinder come from 13 brands — VARIOUS MFR, BOSCH, WIX and 10 other brands. The "Popular" part is MOBIL M1108A.

The Economy section: 6 options from VARIOUS MFR, BOSCH, FRAM and 2 other brands. BOSCH 72230WS is listed in this group.

The High Performance / Heavy Duty section lists 2 options from MOBIL and WIX — grouped under the catalog's "High Performance / Heavy Duty" designation — the notes column spells out what sets them apart. MOBIL M1108A is listed in this group.

Standard Replacement: 9 parts, from BOSCH, MOTORCRAFT, WIX and 6 other brands. A representative part number is BOSCH 3300.

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

5 Oil Pan parts are listed for the 2018 Nissan Pathfinder, from SPECTRA PREMIUM, DORMAN and SKP. SPECTRA PREMIUM NSP24A carries the "Popular" badge.

Listed part numbers: SPECTRA PREMIUM NSP24A, DORMAN 264505 and DORMAN 266018, plus the other parts above.

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 2018 Nissan Pathfinder come from 4 brands — AJUSA, ELRING, MAHLE / CLEVITE and 1 other brand.

Part numbers include AJUSA 59010400, ELRING 572740 and MAHLE / CLEVITE OS32249, among others listed 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

This group shows a single part: TOPLINE OPD52.

This table covers the chains that drive the oil pump. Read more

4 Oil Pump Chain parts are listed for the 2018 Nissan Pathfinder, from S.A. GEAR, INA and CLOYES.

In the Kit grade, INA and S.A. GEAR supply 2 parts: grouped under the catalog's "Kit" designation — the notes column spells out what sets them apart. A representative part number is INA ZC0167100.

The Standard Replacement section: 1 option from S.A. GEAR. S.A. GEAR C1187 is listed in this group.

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

This group includes INA ZC0167100, S.A. GEAR 76417P and S.A. GEAR C1187 and the remaining parts above.

This table covers the Oil Pump 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

2 Oil Pump Chain Tensioner parts for the 2018 Nissan Pathfinder come from 2 brands — CLOYES and S.A. GEAR.

This group includes CLOYES 96204 and S.A. GEAR 91363.

This table covers the Oil Pump sprockets. Read more

2 Oil Pump Sprocket parts are listed for the 2018 Nissan Pathfinder, from CLOYES and S.A. GEAR.

Listed part numbers: CLOYES S1169 and S.A. GEAR S1479.

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

5 Piston parts are listed for the 2018 Nissan Pathfinder, from ENGINETECH, SILV-O-LITE and TOPLINE. TOPLINE PAD52 carries the "Popular" badge.

The Premium section lists 2 options from ENGINETECH — a step above OE specification in materials, tolerances or warranty terms. ENGINETECH P1601 is listed in this group.

The Standard Replacement section: 1 option from TOPLINE. TOPLINE PAD52 is listed in this group.

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

This group includes TOPLINE PAD52, ENGINETECH P1601 and ENGINETECH K16016P and the remaining parts above.

This table covers the Piston Pin 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

This group shows a single part: TOPLINE PBD34.

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

4 Piston Ring parts are listed for the 2018 Nissan Pathfinder, from HASTINGS MANUFACTURING, ENGINETECH and TOPLINE.

The Premium section: 1 option from ENGINETECH. ENGINETECH M95506 is listed in this group.

The Standard Replacement section: 3 options from HASTINGS MANUFACTURING and TOPLINE. HASTINGS MANUFACTURING 2C5293S is listed in this group.

This group includes ENGINETECH M95506, HASTINGS MANUFACTURING 2C5293S and HASTINGS MANUFACTURING 2C5293 and the remaining parts above.

This table covers the Thrust washers. Read more

This group shows a single part: KING ENGINE BEARINGS TW271AM.

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

6 Timing Chain parts are listed for the 2018 Nissan Pathfinder, from S.A. GEAR, CLOYES and JAPANESE OE. S.A. GEAR C1186 carries the "Popular" badge.

Listed part numbers: S.A. GEAR C1186, S.A. GEAR C1185 and CLOYES C721F, 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 2018 Nissan Pathfinder come from 5 brands — S.A. GEAR, CLOYES, INA and 2 other brands. The "Popular" part is S.A. GEAR 76417T.

The Economy section: 2 options from S.A. GEAR. S.A. GEAR 76417T is listed in this group.

Standard Replacement: 6 parts, from CLOYES, INA, ENGINETECH and 1 other brand. A representative part number is CLOYES 90537S.

Listed part numbers: S.A. GEAR 76417T, S.A. GEAR 76417 and CLOYES 90537S, plus the other parts above.

This table covers the guides and dampers that keep the timing chain on its path. Read more

8 Timing Chain Guide / Damper parts are listed for the 2018 Nissan Pathfinder, from S.A. GEAR, CLOYES, MELLING and 1 other brand. S.A. GEAR 71268 carries the "Popular" badge.

Listed part numbers: S.A. GEAR 71268, S.A. GEAR 91147 and CLOYES 96203, 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 2018 Nissan Pathfinder come from 2 brands — S.A. GEAR and CLOYES. The "Popular" part is S.A. GEAR 91360.

Part numbers include S.A. GEAR 91360, S.A. GEAR 91361 and CLOYES 96201, among others listed above.

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

5 Timing Cover Gasket parts for the 2018 Nissan Pathfinder come from 3 brands — MAHLE / CLEVITE, APEX and ULTRA-POWER.

Part numbers include APEX ATC5340, MAHLE / CLEVITE B33343 and MAHLE / CLEVITE B33342, among others listed above.

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

This group shows a single part: SKF 99189.

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

2 Timing Cover Seal parts for the 2018 Nissan Pathfinder come from 2 brands — MAHLE / CLEVITE and SKF.

This group includes MAHLE / CLEVITE 67689 and SKF 18857.

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

2 Timing Crank Sprocket parts for the 2018 Nissan Pathfinder come from 2 brands — CLOYES and S.A. GEAR.

This group includes CLOYES S1171 and S.A. GEAR S1478.

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

5 Torque Strut Mount parts are listed for the 2018 Nissan Pathfinder, from ANCHOR, SKP, DEA / MARMON RIDE CONTROL and 1 other brand. SKP SKM9747 carries the "Popular" badge.

Economy: 1 part, from SKP. A representative part number is SKP SKM9747.

The Standard Replacement section: 4 options from ANCHOR, DEA / MARMON RIDE CONTROL and PIONEER. ANCHOR 9747 is listed in this group.

This group includes SKP SKM9747, ANCHOR 9747 and ANCHOR 9551 and the remaining parts above.

This table covers the Valve covers. Read more

5 Valve Cover parts are listed for the 2018 Nissan Pathfinder, from APEX, ITM ENGINE COMPONENTS and DORMAN. APEX VCS528R carries the "Popular" badge.

This group includes APEX VCS528R, APEX VCS579L and DORMAN 264787 and the remaining parts above.

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

5 Valve Cover Gasket parts for the 2018 Nissan Pathfinder come from 3 brands — AJUSA, BECK/ARNLEY and MAHLE / CLEVITE. The "Popular" part is MAHLE / CLEVITE VS50496.

Part numbers include MAHLE / CLEVITE VS50496, AJUSA 56041300 and AJUSA 56041200, among others listed above.

This table covers the pressed-in bronze and cast-iron guides that align valve stems. Typical signs include oil smoke on startup, a guide that has gone oval, or a valve that no longer seats quietly. Guides are a machine-shop fit. Confirm stem diameter in the notes before ordering. Read more

2 Valve Guide parts for the 2018 Nissan Pathfinder come from TOPLINE.

This group includes TOPLINE EVGD52 and TOPLINE IVGD52.

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

3 Valve Spring Retainer Keeper parts are listed for the 2018 Nissan Pathfinder, from MELLING, QUALCAST and SBI.

This group includes MELLING VL730, QUALCAST 345012 and SBI 1211064.

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

6 Valve Stem Seal parts for the 2018 Nissan Pathfinder come from 6 brands — FEL-PRO, MAHLE / CLEVITE, APEX and 3 other brands. The "Popular" part is FEL-PRO SS72821.

Part numbers include FEL-PRO SS72821, MAHLE / CLEVITE SS45601A and APEX AVS5029, among others listed above.