2020 Infiniti QX50 Engine Parts

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: AJUSA 15121300.

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

One part is listed for the 2020 Infiniti QX50 — AJUSA 54322400.

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

8 Crankshaft Seal parts for the 2020 Infiniti QX50 come from 6 brands — AJUSA, FEL-PRO, MAHLE / CLEVITE and 3 other brands. The "Popular" part is AJUSA 15045100.

Listed part numbers: AJUSA 15045100, FEL-PRO BS40714 and AJUSA 15093000, plus the other 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

One part is listed for the 2020 Infiniti QX50 — AJUSA 10263600.

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

One part is listed for the 2020 Infiniti QX50 — AJUSA 52611300.

This table covers the Engine covers. Read more

TECHPRO supplies both parts for the 2020 Infiniti QX50.

Part numbers include TECHPRO IN1228136 and TECHPRO IN1228135.

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

One part is listed for the 2020 Infiniti QX50 — AJUSA 50551200.

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

One part is listed for the 2020 Infiniti QX50 — AJUSA 13331900.

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

41 Oil parts for the 2020 Infiniti QX50 come from 7 brands — VALVOLINE, LIQUI MOLY, MOBIL and 4 other brands. The "Popular" part is LIQUI MOLY 20228. They are grouped as Full Synthetic, High Mileage (>75,000 Miles) and Synthetic Blend, with Full Synthetic the largest group at 31 parts from LIQUI MOLY, VALVOLINE, IDEMITSU and 3 other brands.

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

5 Oil Drain Plug parts for the 2020 Infiniti QX50 come from 4 brands — DORMAN, AGS, BECK/ARNLEY and 1 other brand. The "Popular" part is DORMAN 090038.

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 are listed for the 2020 Infiniti QX50, from DORMAN, AJUSA, APEX and 1 other brand. DORMAN 097134 carries the "Popular" badge.

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 for the 2020 Infiniti QX50 come from 3 brands — GATES, MOTORAD and SKP.

Part numbers include 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

16 Oil Filter parts for the 2020 Infiniti QX50 come from 13 brands — BOSCH, VARIOUS MFR, WIX and 10 other brands. The "Popular" part is CHAMP / LUBER-FINER PH2876.

The Economy section lists 6 options from CHAMP / LUBER-FINER, BOSCH, FRAM and 3 other brands — the catalog's value-priced group. CHAMP / LUBER-FINER PH2876 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.

In the Standard Replacement grade, BOSCH, WIX, BECK/ARNLEY and 5 other brands supply 8 parts: built to original-equipment specification. A representative part number is BOSCH 3300.

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

One part is listed for the 2020 Infiniti QX50 — SKP SK5NA0B.

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

This group shows a single part: VICTOR REINZ 703141410.

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

3 Oil Pump Chain parts are listed for the 2020 Infiniti QX50, from S.A. GEAR and INA.

In the Kit grade, S.A. GEAR supplies 1 part: grouped under the catalog's "Kit" designation — the notes column spells out what sets them apart. A representative part number is S.A. GEAR 76418P.

The Standard Replacement section: 1 option from S.A. GEAR. S.A. GEAR C1189 is listed in this group.

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

This group includes S.A. GEAR 76418P, S.A. GEAR C1189 and INA ZC0121100.

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 2020 Infiniti QX50 come from 2 brands — INA and S.A. GEAR.

Part numbers include INA ZT0690 and S.A. GEAR 91365.

This table covers the Oil Pump sprockets. Read more

2 Oil Pump Sprocket parts are listed for the 2020 Infiniti QX50, from INA and S.A. GEAR.

This group includes INA ZS1088 and S.A. GEAR S1481.

This table covers the Oil Temperature senders. Read more

One part is listed for the 2020 Infiniti QX50 — STANDARD MOTOR PRODUCTS TX187.

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

One part is listed for the 2020 Infiniti QX50 — S.A. GEAR C1188.

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

4 Timing Chain & Component Kit parts for the 2020 Infiniti QX50 come from 2 brands — S.A. GEAR and INA.

The Economy section: 2 options from S.A. GEAR. S.A. GEAR 76418T is listed in this group.

Standard Replacement: 2 parts, from INA. A representative part number is INA ZC1912300.

This group includes S.A. GEAR 76418T, S.A. GEAR 76418 and INA ZC1912300 and the remaining parts above.

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

3 Timing Chain Guide / Damper parts are listed for the 2020 Infiniti QX50, from S.A. GEAR and INA.

Listed part numbers: INA ZG0773, S.A. GEAR 71270 and S.A. GEAR 91364.

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 for the 2020 Infiniti QX50 come from 4 brands — INA, MELLING, PREFERRED COMPONENTS INC and 1 other brand.

This group includes INA ZT95585, MELLING BT5585 and PREFERRED COMPONENTS INC T66156R and the remaining parts 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

This group shows a single part: SKF 17897.

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

This group shows a single part: S.A. GEAR S1480.

This table covers the gaskets that seal the Turbocharger. 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 QX50 — AJUSA JTC12661.

This table covers the Turbocharger Oil lines. Typical signs include a wet fitting, a rusted pipe, or a pressure loss in this circuit. Flare or thread the new line the way the notes specify; a kinked replacement will fail early. Read more

This group shows a single part: AJUSA OP11351.

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

3 Valve Cover Gasket parts for the 2020 Infiniti QX50 come from 3 brands — AJUSA, APEX and BECK/ARNLEY.

Listed part numbers: AJUSA 11113200, APEX AVC556 and BECK/ARNLEY 0361757.

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 2020 Infiniti QX50, from 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

4 Valve Stem Seal parts for the 2020 Infiniti QX50 come from 3 brands — AJUSA, APEX and FEL-PRO.

Part numbers include AJUSA 57017900, AJUSA 12009100 and APEX AVS5003, among others listed 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 for the 2020 Infiniti QX50 come from 9 brands — HOLSTEIN, DORMAN, GATES and 6 other brands. The "Popular" part is DORMAN 916725.

The Economy section: 4 options from HOLSTEIN, DORMAN and GATES. DORMAN 916725 is listed in this group.

Standard Replacement: 6 parts, from ASTEMO / HITACHI, ACKOJA, BECK/ARNLEY and 3 other brands. A representative part number is ASTEMO / HITACHI VTS0016.