2021 Genesis G90 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

This group shows a single part: AJUSA 54321400.

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 are listed for the 2021 Genesis G90, from AJUSA and MAHLE / CLEVITE.

Listed part numbers: AJUSA 15122600, AJUSA 15122700 and MAHLE / CLEVITE 67874, plus the other parts above.

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

This group shows a single part: AJUSA 81079600.

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 2021 Genesis G90 come from AJUSA.

This group includes AJUSA 10262000, AJUSA 10262100 and AJUSA 52689800 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

This group shows a single part: AJUSA 52689700.

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 50609800.

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

3 Harmonic Balancer parts for the 2021 Genesis G90 come from 3 brands — ACKOJA, HL MANDO and HYUNDAI. 1 part fits every engine; the other 2 are engine-specific.

This group includes ACKOJA A520620, HL MANDO 30A5002 and HYUNDAI 231243LTA0.

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

2 Intake Manifold Gasket parts for the 2021 Genesis G90 come from 2 brands — AJUSA and MAHLE / CLEVITE.

This group includes AJUSA 13330000 and MAHLE / CLEVITE MS20294.

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

MELLING supplies both parts for the 2021 Genesis G90.

Listed part numbers: MELLING V3286 and MELLING V5569.

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

110 Oil parts are listed for the 2021 Genesis G90, from VALVOLINE, LIQUI MOLY, MOBIL and 4 other brands. LIQUI MOLY 20228 carries the "Popular" badge. Grades run from Conventional through Synthetic Blend; Full Synthetic is the most populated section, led by LIQUI MOLY, VALVOLINE, MOBIL and 3 other brands.

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

4 Oil Drain Plug parts are listed for the 2021 Genesis G90, from DORMAN, REIN and SKP. All of them fit every engine offered in the 2021 G90.

Listed part numbers: DORMAN 090033, DORMAN 090053 and REIN HWU0110, plus the other 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 for the 2021 Genesis G90 come from 4 brands — DORMAN, AJUSA, FEL-PRO and 1 other brand. 3 parts fit every engine; the other 2 are engine-specific.

This group includes AJUSA 22007100, DORMAN 095147 and DORMAN 995147CD and the remaining parts above.

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

4 Oil Filler Cap parts are listed for the 2021 Genesis G90, from CALORSTAT, GATES, MOTORAD and 1 other brand. 3 parts fit every engine; the other 1 is engine-specific.

Part numbers include CALORSTAT OC2331, GATES 31083 and MOTORAD MO151, among others listed 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

14 Oil Filter parts are listed for the 2021 Genesis G90, from CHAMP / LUBER-FINER, FAMOUS BRAND, VARIOUS MFR and 6 other brands. HASTINGS / BALDWIN LF723 carries the "Popular" badge.

In the Economy grade, CHAMP / LUBER-FINER, FAMOUS BRAND, PRO-TEC and 1 other brand supply 6 parts: the catalog's value-priced group. A representative part number is CHAMP / LUBER-FINER P1050.

The Standard Replacement section lists 8 options from VARIOUS MFR, WIX, MAHLE / CLEVITE and 2 other brands — built to original-equipment specification. HASTINGS / BALDWIN LF723 is listed in this group.

This table covers the Oil Filter Adapter Gasket O-rings. Typical signs include a seep at a fitting or a housing that weeps after a service. Lube the new O-ring with the fluid it will see, and do not roll it into the groove. Read more

This group shows a single part: MAHLE / CLEVITE B33332.

This table covers the Oil Filter covers. Read more

This group shows a single part: ACKOJA A520915.

This table covers the seals at the Oil Filter Housing. 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 2021 Genesis G90 — MAHLE / CLEVITE GS33924.

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 2021 Genesis G90 — VICTOR REINZ 703141410.

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

2 Oil Pump Chain parts for the 2021 Genesis G90 come from 2 brands — MELLING and S.A. GEAR.

Part numbers include MELLING 1103 and S.A. GEAR C1268.

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

3 Oil Pump Chain Tensioner parts are listed for the 2021 Genesis G90, from HYUNDAI, MELLING and S.A. GEAR.

Part numbers include HYUNDAI 244603F400, MELLING BT7081 and S.A. GEAR 91472.

This table covers the Oil Pump sprockets. Read more

2 Oil Pump Sprocket parts for the 2021 Genesis G90 come from 2 brands — MELLING and S.A. GEAR.

This group includes MELLING S1327 and S.A. GEAR S1565.

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

3 Timing Chain parts for the 2021 Genesis G90 come from 3 brands — HYUNDAI, MELLING and S.A. GEAR.

Part numbers include HYUNDAI 243223F400, MELLING 1098 and S.A. GEAR C1267.

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

4 Timing Chain & Component Kit parts are listed for the 2021 Genesis G90, from MELLING and S.A. GEAR.

Listed part numbers: MELLING 31098SX, MELLING 31098S and S.A. GEAR 76485S, 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 for the 2021 Genesis G90 come from 3 brands — MELLING, S.A. GEAR and PREFERRED COMPONENTS INC.

Listed part numbers: MELLING BG7059, MELLING BG7066 and MELLING BT7069, 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 are listed for the 2021 Genesis G90, from S.A. GEAR, HYUNDAI, INA and 2 other brands.

Part numbers include HYUNDAI 244103CGA3, INA ZT0685 and MELLING BT7070, 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

One part is listed for the 2021 Genesis G90 — MAHLE / CLEVITE JV5274.

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

4 Timing Crank Sprocket parts are listed for the 2021 Genesis G90, from MELLING and S.A. GEAR.

This group includes MELLING S1328, MELLING S1329 and MELLING S1295 and the remaining parts above.

This table covers the Turbocharger Boost sensors. Typical signs include a warning lamp, a stored code, or a reading that drops out when the harness is wiggled. Inspect the connector and ground before replacing the sensor — wiring faults are often condemned as bad sensors. Read more

This group shows a single part: WELLS 5S15729.

This table covers the Turbocharger Boost 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

One part is listed for the 2021 Genesis G90 — AUTOTECNICA HY1418048.

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

7 Valve Cover Gasket parts are listed for the 2021 Genesis G90, from BECK/ARNLEY, AJUSA and MAHLE / CLEVITE.

Part numbers include AJUSA 56105700, AJUSA 56105800 and BECK/ARNLEY 0362108, 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

One part is listed for the 2021 Genesis G90 — SBI 1403152.

This table covers the lifters / tappets that transfer cam motion to the valves. Read more

HYUNDAI supplies both parts for the 2021 Genesis G90.

Part numbers include HYUNDAI 222263CCC0 and HYUNDAI 246103F301.

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

2 Valve Spring Retainer Keeper parts for the 2021 Genesis G90 come from 2 brands — MELLING and SBI.

Part numbers include MELLING VL1060 and SBI 1211060.

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 are listed for the 2021 Genesis G90, from AJUSA, MAHLE / CLEVITE and SBI.

Listed part numbers: AJUSA 12046000, AJUSA 57090200 and MAHLE / CLEVITE SS46116, plus the other parts above.