The 2020 Infiniti QX70 has 38 engine parts with verified fitment on this page — 19 part types and 10 brands, covering the 3.7L V6 engine. Each part includes a manufacturer part number and application notes.
The engine on the 2020 Infiniti QX70 covers the internals and hard parts that build compression and keep oil where it belongs — gaskets, bearings, camshafts, lifters, seals and timing components. The largest groups are Cylinder Head Gasket (4 parts), Oil Drain Plug (4 parts) and Crankshaft Main Bearing (3 parts). The other 16 part types cover the remaining 27 parts.
The 2020 Infiniti QX70 came with a single engine, the 3.7L V6, and every part is verified against it.
10 brands supply engine parts for the 2020 Infiniti QX70, led by AJUSA (16 parts), DORMAN (9 parts) and KING ENGINE BEARINGS (4 parts), plus 7 more brands. Quality grades include Economy, High Performance and Standard Replacement.
Each part number listed for the 2020 Infiniti QX70 opens a page with every vehicle that part fits.
Conversion / Lower Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 54212000 | 🇲🇽 MX | View on Amazon |
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.
One part is listed for the 2020 Infiniti QX70 — AJUSA 54212000.
Crankshaft Main Bearing
High Performance
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| KING ENGINE BEARINGS | MB4524XPC | 🇲🇽 MX | Setpmaxkote, polymer coated | View on Amazon |
| KING ENGINE BEARINGS | MB4524XPCX | 🇲🇽 MX | Setpmaxkote, polymer coated | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| KING ENGINE BEARINGS | MB4524SI | 🇲🇽 MX | BI-Metal (aluminum silicon base)Set | View on Amazon |
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.
3 Crankshaft Main Bearing parts for the 2020 Infiniti QX70 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.
Crankshaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 15060100 | 🇲🇽 MX | RearCounter Clockwise | View on Amazon |
| AJUSA | 15092900 | 🇲🇽 MX | FrontClockwise | View on Amazon |
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.
2 Crankshaft Seal parts for the 2020 Infiniti QX70 come from AJUSA.
Listed part numbers: AJUSA 15060100 and AJUSA 15092900.
Crankshaft Thrust Washer
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| KING ENGINE BEARINGS | TW1042AM | 🇲🇽 MX | BI-Metal (aluminum base) | View on Amazon |
This table covers the Crankshaft Thrust washers.
One part is listed for the 2020 Infiniti QX70 — KING ENGINE BEARINGS TW1042AM.
Cylinder Head Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 81062500 | 🇲🇽 MX | View on Amazon |
This table covers the bolts that clamp the cylinder head to the block.
One part is listed for the 2020 Infiniti QX70 — AJUSA 81062500.
Cylinder Head Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 10181300 | 🇲🇽 MX | Multi Layered Steel | View on Amazon |
| AJUSA | 10181200 | 🇲🇽 MX | Multi Layered Steel | View on Amazon |
| AJUSA | 52408100 | 🇲🇽 MX | Right | View on Amazon |
| AJUSA | 52408200 | 🇲🇽 MX | Left | View on Amazon |
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.
AJUSA supplies the 4 Cylinder Head Gasket parts for the 2020 Infiniti QX70.
This group includes AJUSA 10181300, AJUSA 10181200 and AJUSA 52408100 and the remaining parts above.
Cylinder Head Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 52408000 | 🇲🇽 MX | Complete Set | View on Amazon |
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.
One part is listed for the 2020 Infiniti QX70 — AJUSA 52408000.
Engine Kit Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 50369800 | 🇲🇽 MX | View on Amazon |
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.
One part is listed for the 2020 Infiniti QX70 — AJUSA 50369800.
Harmonic Balancer
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ATP | 102475 | 🇲🇽 MX | Serpentine | View on Amazon |
| DORMAN | 594554 | 🇲🇽 MX | View on Amazon |
This table covers the crankshaft pulleys / harmonic balancers at the front of the engine.
2 Harmonic Balancer parts are listed for the 2020 Infiniti QX70, from ATP and DORMAN.
Part numbers include ATP 102475 and DORMAN 594554.
Intake Manifold Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 13241200 | 🇲🇽 MX | View on Amazon |
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.
One part is listed for the 2020 Infiniti QX70 — AJUSA 13241200.
Oil Drain Plug
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AGS | ODP00011 | 🇲🇽 MX | M12x1.25 | View on Amazon |
| DORMAN | 090038 | 🇲🇽 MX | StandardM12-1.25 | View on Amazon |
| DORMAN | 090049 | 🇲🇽 MX | Pilot PointM12-1.25 | View on Amazon |
| REIN | HWU0112 | 🇲🇽 MX | View on Amazon |
This table covers the drain plugs in the oil pan.
4 Oil Drain Plug parts for the 2020 Infiniti QX70 come from 3 brands — DORMAN, AGS and REIN.
This group includes AGS ODP00011, DORMAN 090038 and DORMAN 090049 and the remaining parts above.
Oil Drain Plug Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 097134 | 🇲🇽 MX | SizeM10 | View on Amazon |
| DORMAN | 997134CD | 🇲🇽 MX | View on Amazon |
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.
DORMAN supplies both parts for the 2020 Infiniti QX70.
Listed part numbers: DORMAN 097134 and DORMAN 997134CD.
Oil Filter
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VARIOUS MFR | PG4612 | 🇲🇽 MX | View on Amazon | |
| VARIOUS MFR | PO4612NS1 | 🇲🇽 MX | OE Style | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VARIOUS MFR | PG4612EX | 🇲🇽 MX | Extended Life | View on Amazon |
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.
3 Oil Filter parts for the 2020 Infiniti QX70 come from VARIOUS MFR.
The Economy section lists 2 options from VARIOUS MFR — the catalog's value-priced group. VARIOUS MFR PG4612 is listed in this group.
Standard Replacement: 1 part, from VARIOUS MFR. A representative part number is VARIOUS MFR PG4612EX.
Listed part numbers: VARIOUS MFR PG4612, VARIOUS MFR PO4612NS1 and VARIOUS MFR PG4612EX.
Oil Pan
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 264566 | 🇲🇽 MX | Lower | View on Amazon |
| SKP | SK264566 | 🇲🇽 MX | Lower | View on Amazon |
| SPECTRA PREMIUM | NSP31A | 🇲🇽 MX | Lower | View on Amazon |
This table covers the oil pans that hold the engine's oil sump.
3 Oil Pan parts are listed for the 2020 Infiniti QX70, from DORMAN, SKP and SPECTRA PREMIUM.
This group includes DORMAN 264566, SKP SK264566 and SPECTRA PREMIUM NSP31A.
Timing Cover Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 01181200 | 🇲🇽 MX | View on Amazon |
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.
This group shows a single part: AJUSA 01181200.
Valve Cover Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 56058700 | 🇲🇽 MX | Right | View on Amazon |
| AJUSA | 56058800 | 🇲🇽 MX | Left | View on Amazon |
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.
2 Valve Cover Gasket parts for the 2020 Infiniti QX70 come from AJUSA.
Listed part numbers: AJUSA 56058700 and AJUSA 56058800.
Valve Stem Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 12012100 | 🇲🇽 MX | 5 x 9.7 x 11.5 | View on Amazon |
| AJUSA | 57058800 | 🇲🇽 MX | View on Amazon |
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.
2 Valve Stem Seal parts for the 2020 Infiniti QX70 come from AJUSA.
Part numbers include AJUSA 12012100 and AJUSA 57058800.
Variable Valve Timing (VVT) Solenoid / Actuator
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 917294 | 🇲🇽 MX | Left | View on Amazon |
| ROSTRA | 790043 | 🇲🇽 MX | Left | View on Amazon |
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.
2 Variable Valve Timing (VVT) Solenoid / Actuator parts for the 2020 Infiniti QX70 come from 2 brands — DORMAN and ROSTRA.
Listed part numbers: DORMAN 917294 and ROSTRA 790043.
Variable Valve Timing (VVT) Sprocket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 916525 | 🇲🇽 MX | Intake (Right) | View on Amazon |
| DORMAN | 916526 | 🇲🇽 MX | Intake (Left) | View on Amazon |
This table covers the cam phaser sprockets used by the variable-valve-timing system.
2 Variable Valve Timing (VVT) Sprocket parts for the 2020 Infiniti QX70 come from DORMAN.
This group includes DORMAN 916525 and DORMAN 916526.
Buying Engine Parts for a 2020 Infiniti QX70
On this vehicle, the engine covers the internals and hard parts that build compression and keep oil where it belongs — gaskets, bearings, camshafts, lifters, seals and timing components.
- Confirm you have the 3.7L V6 engine — every part on this page is matched to it.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, replace the seals and gaskets for anything you open up; a timing job should always include the tensioner and guides, not just the belt or chain.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Cylinder Head Gasket and Oil Drain Plug .
Frequently Asked Questions
How many engine parts fit the 2020 Infiniti QX70?
Our catalog currently lists 38 engine parts for the 2020 Infiniti QX70 across 19 subcategories and 10 brands, covering the 3.7L V6 engine. Each part is matched to the engine(s) it fits.
What are the signs of engine problems on a 2020 Infiniti QX70?
Common symptoms include oil spots under the vehicle, blue or white exhaust smoke, ticking from the valvetrain, or coolant mysteriously disappearing. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What should I replace at the same time?
Where labor overlaps, replace the seals and gaskets for anything you open up; a timing job should always include the tensioner and guides, not just the belt or chain.
What do the market flags (US, CA, MX) on each part mean?
They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 2020 Infiniti QX70 was originally sold in the US, the safest choice is a part marked for the US market.
How do I make sure a part fits my 2020 Infiniti QX70?
Every part on this page is matched to the 3.7L V6 engine. Then engine hard parts are unforgiving of guesswork — confirm the casting or engine code before ordering, because one model year can hide two different blocks. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2020 Infiniti QX70
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Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.