2019 Infiniti Q50 Engine Parts

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 2019 Infiniti Q50 — AJUSA 54212000.

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 for the 2019 Infiniti Q50 come from KING ENGINE BEARINGS.

The High Performance section lists 2 options from KING ENGINE BEARINGS — engineered beyond original-equipment specification. KING ENGINE BEARINGS MB4524XPC is listed in this group.

In the Standard Replacement grade, KING ENGINE BEARINGS supplies 1 part: built to original-equipment specification. A representative part number is KING ENGINE BEARINGS MB4524SI.

Listed part numbers: KING ENGINE BEARINGS MB4524XPC, KING ENGINE BEARINGS MB4524XPCX and KING ENGINE BEARINGS MB4524SI.

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

4 Crankshaft Seal parts for the 2019 Infiniti Q50 come from 3 brands — AJUSA, SKF and VICTOR REINZ.

Part numbers include AJUSA 15060100, AJUSA 15092900 and SKF 33007, among others listed above.

This table covers the Crankshaft Thrust washers. Read more

One part is listed for the 2019 Infiniti Q50 — KING ENGINE BEARINGS TW1042AM.

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

2 Cylinder Head Bolt parts are listed for the 2019 Infiniti Q50, from AJUSA and ENGINETECH.

Part numbers include AJUSA 81062500 and ENGINETECH HB182.

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

AJUSA supplies the 4 Cylinder Head Gasket parts for the 2019 Infiniti Q50.

Listed part numbers: AJUSA 10181300, AJUSA 10181200 and AJUSA 52407800, plus the other 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

One part is listed for the 2019 Infiniti Q50 — AJUSA 52407700.

This table covers the Engine covers. Read more

2 Engine Cover parts are listed for the 2019 Infiniti Q50, from TECHPRO and VARIOUS MFR.

Part numbers include TECHPRO IN1228131, among others listed 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

One part is listed for the 2019 Infiniti Q50 — AJUSA 50369700.

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

One part is listed for the 2019 Infiniti Q50 — ATP 102475.

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 2019 Infiniti Q50 — AJUSA 13241200.

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 for the 2019 Infiniti Q50 come from 4 brands — ANCHOR, DEA / MARMON RIDE CONTROL, PIONEER and 1 other brand.

Part numbers include ANCHOR 9774, DEA / MARMON RIDE CONTROL A4379 and PIONEER 619774, among others listed above.

This table covers the Motor Mount kits. Read more

This group shows a single part: ANCHOR 300171.

This table covers the Oil Cooler 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: SUNSONG 5801904.

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

2 Oil Drain Plug parts for the 2019 Infiniti Q50 come from 2 brands — ENGINETECH and REIN.

This group includes ENGINETECH DP7738X and REIN HWU0112.

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

2 Oil Filler Cap parts for the 2019 Infiniti Q50 come from 2 brands — MOTORAD and SKP.

Part numbers include 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

9 Oil Filter parts for the 2019 Infiniti Q50 come from 7 brands — VARIOUS MFR, WIX, FVP and 4 other brands. The "Popular" part is MOTORCRAFT FL816.

The Economy section lists 3 options from FVP, PRO-TEC and VARIOUS MFR — the catalog's value-priced group. FVP R1358 is listed in this group.

The High Performance / Heavy Duty section lists 1 option from WIX — grouped under the catalog's "High Performance / Heavy Duty" designation — the notes column spells out what sets them apart. WIX 51358XP is listed in this group.

Standard Replacement: 5 parts, from MOTORCRAFT, WIX, HASTINGS / BALDWIN and 2 other brands. A representative part number is MOTORCRAFT FL816.

Part numbers include MOTORCRAFT FL816, FVP R1358 and PRO-TEC PXL51358, among others listed above.

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

3 Oil Pan parts are listed for the 2019 Infiniti Q50, from DORMAN, SKP and SPECTRA PREMIUM.

Listed part numbers: DORMAN 264566, SKP SK264566 and SPECTRA PREMIUM NSP31A.

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

CLOYES supplies both parts for the 2019 Infiniti Q50.

Listed part numbers: CLOYES C721F and CLOYES C986.

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

This group shows a single part: CLOYES 90986S.

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

CLOYES supplies the 3 Timing Chain Guide / Damper parts for the 2019 Infiniti Q50.

Listed part numbers: CLOYES 95597, CLOYES 96036 and CLOYES 95596.

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

3 Timing Chain Tensioner parts for the 2019 Infiniti Q50 come from CLOYES.

This group includes CLOYES 95441, CLOYES 95442 and CLOYES 95595.

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 18857.

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

This group shows a single part: CLOYES S947.

This table covers the Valve covers. Read more

DORMAN supplies both parts for the 2019 Infiniti Q50.

Listed part numbers: DORMAN 264780 and DORMAN 264779.

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 2019 Infiniti Q50 come from 2 brands — AJUSA and VICTOR REINZ.

Listed part numbers: AJUSA 56041300, AJUSA 56041200 and VICTOR REINZ 155368101.

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

One part is listed for the 2019 Infiniti Q50 — MELLING VL730.

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

3 Valve Stem Seal parts for the 2019 Infiniti Q50 come from 2 brands — AJUSA and ENGINETECH.

Listed part numbers: AJUSA 12012100, AJUSA 57058800 and ENGINETECH S505V.

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

9 Variable Valve Timing (VVT) Solenoid / Actuator parts for the 2019 Infiniti Q50 come from 7 brands — SKP, WELLS, DORMAN and 4 other brands. The "Popular" part is DORMAN 918115.

The Economy section: 6 options from SKP, WELLS, DORMAN and 1 other brand. DORMAN 918115 is listed in this group.

Standard Replacement: 3 parts, from AISIN, NTK and STANDARD MOTOR PRODUCTS. A representative part number is AISIN OCV705.

Part numbers include DORMAN 918115, SKP SK918115 and ROSTRA 790118, among others listed above.