2020 Infiniti QX80 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 for the 2020 Infiniti QX80 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 CR8051XP 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 CR8051CP.

Part numbers include KING ENGINE BEARINGS CR8051XP, KING ENGINE BEARINGS CR8051XPX and KING ENGINE BEARINGS CR8051CP, 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

This group shows a single part: AJUSA 54306800.

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 are listed for the 2020 Infiniti QX80, from KING ENGINE BEARINGS, MAHLE / CLEVITE and TOPLINE. MAHLE / CLEVITE MS2300P carries the "Popular" badge.

High Performance: 2 parts, from KING ENGINE BEARINGS. A representative part number is KING ENGINE BEARINGS MB5770XPX.

The Standard Replacement section: 3 options from MAHLE / CLEVITE, KING ENGINE BEARINGS and TOPLINE. MAHLE / CLEVITE MS2300P is listed in this group.

Listed part numbers: MAHLE / CLEVITE MS2300P, KING ENGINE BEARINGS MB5770XPX and KING ENGINE BEARINGS MB5770XP, 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

5 Crankshaft Seal parts are listed for the 2020 Infiniti QX80, from FEL-PRO, AJUSA and SKF. FEL-PRO BS40694 carries the "Popular" badge.

Part numbers include FEL-PRO BS40694, AJUSA 15060100 and AJUSA 15045100, among others listed above.

This table covers the Crankshaft Thrust washers. Read more

This group shows a single part: TOPLINE TWD47.

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

3 Cylinder Head Bolt parts for the 2020 Infiniti QX80 come from 3 brands — AJUSA, FEL-PRO and TOPLINE.

This group includes AJUSA 81078300, FEL-PRO ES73781 and TOPLINE HBD46.

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

4 Cylinder Head Gasket parts for the 2020 Infiniti QX80 come from AJUSA.

Part numbers include AJUSA 10264900, AJUSA 10265000 and AJUSA 52624400, among others listed 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

This group shows a single part: AJUSA 52624300.

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 50557000.

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

One part is listed for the 2020 Infiniti QX80 — TOPLINE EVD51.

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

4 Intake Manifold Gasket parts for the 2020 Infiniti QX80 come from 2 brands — AUTOTECNICA and AJUSA.

The Economy section lists 2 options from AUTOTECNICA — the catalog's value-priced group. AUTOTECNICA NI1415876 is listed in this group.

Standard Replacement: 2 parts, from AJUSA. A representative part number is AJUSA 13333400.

Listed part numbers: AUTOTECNICA NI1415876, AUTOTECNICA NI1415876K and AJUSA 13333400, 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

One part is listed for the 2020 Infiniti QX80 — TOPLINE IVD51.

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

4 Motor Mount parts are listed for the 2020 Infiniti QX80, from ANCHOR, DEA / MARMON RIDE CONTROL, PIONEER and 1 other brand.

This group includes ANCHOR 10149, DEA / MARMON RIDE CONTROL A4383 and PIONEER 604383 and the remaining parts above.

This table covers the Motor Mount kits. Read more

ANCHOR supplies both parts for the 2020 Infiniti QX80.

This group includes ANCHOR 300884 and ANCHOR 300883.

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

34 Oil parts are listed for the 2020 Infiniti QX80, from VALVOLINE, LIQUI MOLY, MOBIL and 3 other brands. LIQUI MOLY 2208 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, 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

3 Oil Cooler parts are listed for the 2020 Infiniti QX80, from ACKOJA, NISSENS and STANDARD MOTOR PRODUCTS.

Part numbers include ACKOJA A38600024, NISSENS 91440 and STANDARD MOTOR PRODUCTS OCK35.

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

5 Oil Drain Plug parts are listed for the 2020 Infiniti QX80, from DORMAN, AGS, BECK/ARNLEY and 1 other brand. DORMAN 090038 carries the "Popular" badge.

Part numbers include DORMAN 090038, AGS ODP00011 and BECK/ARNLEY 0160116, among others listed 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 for the 2020 Infiniti QX80 come from 4 brands — DORMAN, AJUSA, APEX and 1 other brand. The "Popular" part is DORMAN 097134.

Part numbers include DORMAN 097134, AJUSA 01140600 and APEX ADP1904, among others listed above.

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

3 Oil Filler Cap parts are listed for the 2020 Infiniti QX80, from GATES, MOTORAD and SKP.

This group includes GATES 31115, MOTORAD MO107 and SKP SKMO107.

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

15 Oil Filter parts are listed for the 2020 Infiniti QX80, from VARIOUS MFR, BOSCH, WIX and 8 other brands. WIX 57356XP carries the "Popular" badge.

Economy: 5 parts, from VARIOUS MFR, BOSCH, FVP and 1 other brand. A representative part number is BOSCH 72226WS.

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 57356XP.

The Standard Replacement section: 8 options from BOSCH, WIX, BECK/ARNLEY and 5 other brands. BOSCH 3323 is listed in this group.

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

This group shows a single part: SPECTRA PREMIUM NSP52A.

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 2020 Infiniti QX80 — VICTOR REINZ 703141410.

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

One part is listed for the 2020 Infiniti QX80 — ASTEMO / HITACHI OUP0038.

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

4 Timing Chain parts for the 2020 Infiniti QX80 come from 2 brands — CLOYES and S.A. GEAR.

Listed part numbers: CLOYES C563, CLOYES C564 and S.A. GEAR C1242, plus the other parts above.

This table covers kits that group a timing chain with the related tensioners and guides. Read more

5 Timing Chain & Component Kit parts are listed for the 2020 Infiniti QX80, from S.A. GEAR, CLOYES and TOPLINE. S.A. GEAR 76463 carries the "Popular" badge.

Economy: 2 parts, from S.A. GEAR. A representative part number is S.A. GEAR 76463.

The Standard Replacement section: 3 options from CLOYES and TOPLINE. CLOYES 90563S is listed in this group.

This group includes S.A. GEAR 76463, S.A. GEAR 76463S and CLOYES 90563S and the remaining 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 for the 2020 Infiniti QX80 come from 2 brands — S.A. GEAR and CLOYES. The "Popular" part is S.A. GEAR 71315.

This group includes S.A. GEAR 71315, S.A. GEAR 91427 and CLOYES 96277 and the remaining 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

4 Timing Chain Tensioner parts are listed for the 2020 Infiniti QX80, from CLOYES and S.A. GEAR.

Part numbers include CLOYES 96275, CLOYES 96276 and S.A. GEAR 91424, among others listed above.

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 2020 Infiniti QX80 — SKF 17897.

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

4 Timing Crank Sprocket parts are listed for the 2020 Infiniti QX80, from CLOYES and S.A. GEAR.

Listed part numbers: CLOYES S1235, CLOYES S1237 and S.A. GEAR S1540, plus the other 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 are listed for the 2020 Infiniti QX80, from BECK/ARNLEY, AJUSA and FEL-PRO. BECK/ARNLEY 0362032 carries the "Popular" badge.

Listed part numbers: BECK/ARNLEY 0362032, AJUSA 56093500 and AJUSA 56093600, plus the other parts above.

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

3 Valve Spring Retainer Keeper parts for the 2020 Infiniti QX80 come from 3 brands — MELLING, QUALCAST and SBI.

Listed part numbers: 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

5 Valve Stem Seal parts are listed for the 2020 Infiniti QX80, from FEL-PRO, APEX, QUALCAST and 2 other brands. FEL-PRO SS70157 carries the "Popular" badge.

This group includes FEL-PRO SS70157, APEX AVS5007 and QUALCAST 3899455 and the remaining 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

10 Variable Valve Timing (VVT) Solenoid / Actuator parts are listed for the 2020 Infiniti QX80, from HOLSTEIN, DORMAN, GATES and 6 other brands. DORMAN 916725 carries the "Popular" badge.

Economy: 4 parts, from HOLSTEIN, DORMAN and GATES. A representative part number is DORMAN 916725.

The Standard Replacement section: 6 options from ASTEMO / HITACHI, ACKOJA, BECK/ARNLEY and 3 other brands. ASTEMO / HITACHI VTS0016 is listed in this group.