This page lists 61 engine parts for the 2026 Mazda CX-90, across 10 part types, covering both the 2.5L L4 ELECTRIC/GAS and the 3.3L L6 Turbocharged. Every part shows its brand, manufacturer part number and fitment notes.
On the 2026 Mazda CX-90, 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. Most of the listed parts are Oil (31 parts), Oil Filter (16 parts) and Timing Crank Sprocket (3 parts). The other 7 part types cover the remaining 11 parts.
The 2026 Mazda CX-90 was sold with both the 2.5L L4 ELECTRIC/GAS and the 3.3L L6 Turbocharged. 31 parts fit every engine; the other 30 are engine-specific. Each part shows which engine(s) it fits.
17 brands supply engine parts for the 2026 Mazda CX-90, led by VALVOLINE (10 parts), MELLING (9 parts) and MOBIL (9 parts), plus 14 more brands. Quality grades include Economy, Standard Replacement and High Performance / Heavy Duty.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2026 Mazda CX-90. 10 parts have it, including LIQUI MOLY 2208 (Oil) and CHAMP / LUBER-FINER PH2876 (Oil Filter). Each part number opens a page with every vehicle that part fits.
Balance Shaft Sprocket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MELLING Fits: 2.5L L4 ELECTRIC/GAS | S1246 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Balance Shaft sprockets.
One part is listed for the 2026 Mazda CX-90 — MELLING S1246.
Oil
Summary: Notes list SAE 0W-20. Confirm the engine and the weight on the filler cap before you buy. Replacement brands in this table include VALVOLINE, LIQUI MOLY and MOBIL.
Full Synthetic
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| LIQUI MOLY Popular Fits: all 2026 CX-90 engines | 2208 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Special Tec AA 0W-205 Liter | View on Amazon |
| LIQUI MOLY Popular Fits: all 2026 CX-90 engines | 20438 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Molygen New Generation 0W-205 Liter | View on Amazon |
| LIQUI MOLY Popular Fits: all 2026 CX-90 engines | 22046 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Top Tec 6600 0W-205 Liter | View on Amazon |
| MOBIL Popular Fits: all 2026 CX-90 engines | 124184 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 0W-20Mobil 1 Advanced Fuel Economy | View on Amazon |
| MOBIL Popular Fits: all 2026 CX-90 engines | 125197 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Full Synthetic 0W-20Mobil Full Synthetic | View on Amazon |
| VALVOLINE Popular Fits: all 2026 CX-90 engines | VV916 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Advanced Protection Full Synthetic SAE 0W-201 Quart | View on Amazon |
| IDEMITSU Fits: 2.5L L4 ELECTRIC/GAS | 30015203750 | 🇺🇸 US | IFG3 0W-20 SP/Motor Oil1 Quart | View on Amazon |
| IDEMITSU Fits: 2.5L L4 ELECTRIC/GAS | 30016051750 | 🇺🇸 US | IFG3 0W-20 SQ/GF-7A1 Quart | View on Amazon |
| IDEMITSU Fits: 2.5L L4 ELECTRIC/GAS | 30016051953 | 🇺🇸 US | IFG3 0W-20 SQ/GF-7A5 Quart | View on Amazon |
| LIQUI MOLY Fits: all 2026 CX-90 engines | 2207 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Special TEC AA 0W-201 Liter | View on Amazon |
| LIQUI MOLY Fits: all 2026 CX-90 engines | 20436 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Molygen New Generation 0W-201 Liter | View on Amazon |
| LIQUI MOLY Fits: all 2026 CX-90 engines | 22044 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Top Tec 6600 0W-201 Liter | View on Amazon |
| LIQUI MOLY Fits: all 2026 CX-90 engines | 22048 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Top Tec 6600 0W-2020 Liter | View on Amazon |
| MOBIL Fits: all 2026 CX-90 engines | 120926 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Extended Performance 0W-20Mobil 1 Extended Performance | View on Amazon |
| MOBIL Fits: all 2026 CX-90 engines | 124592 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Truck & SUV 0W-20Mobil 1 Truck & SUV | View on Amazon |
| PENTOSIN Fits: all 2026 CX-90 engines | 8044210 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 0W-20-Pentospeed-DEXOS1 GEN31 Liter | View on Amazon |
| PENTOSIN Fits: all 2026 CX-90 engines | 8044317 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Pento Speed FESAE 0W-20 | View on Amazon |
| PENTOSIN Fits: all 2026 CX-90 engines | 8044212 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 0W-20-Pentospeed-DEXOS1 GEN35 Liters | View on Amazon |
| PENTOSIN Fits: all 2026 CX-90 engines | 8044319 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Pento Speed FESAE 0W-20 | View on Amazon |
| VALVOLINE Fits: all 2026 CX-90 engines | 891682 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Extended Protection Full Synthetic SAE 0W-201 Quart | View on Amazon |
| VALVOLINE Fits: all 2026 CX-90 engines | 904536 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Restore & Protect Full Synthetic SAE 0W-201 Quart | View on Amazon |
| VALVOLINE Fits: all 2026 CX-90 engines | 904538 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Restore & Protect Full Synthetic SAE 0W-205 Quart | View on Amazon |
| VALVOLINE Fits: all 2026 CX-90 engines | 881150 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Advanced Protection Full Synthetic SAE 0W-20Easy Pour 5 Quart | View on Amazon |
| VALVOLINE Fits: all 2026 CX-90 engines | 898664 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Hybrid Vehicle Full Synthetic SAE 0W-205 Quart | View on Amazon |
High Mileage (>75,000 Miles)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOBIL Fits: all 2026 CX-90 engines | 125203 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Full Synthetic High Mileage 0W-20Mobil Full Synthetic | View on Amazon |
| MOBIL Fits: all 2026 CX-90 engines | 122535 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | High Mileage 0W-20Mobil 1 High Mileage | View on Amazon |
| MOBIL Fits: all 2026 CX-90 engines | 123836 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Extended Performance High Mileage 0W-20Extended Performance High Mileage Synthetic Motor Oil 0W-20, 1 Quart | View on Amazon |
| VALVOLINE Fits: all 2026 CX-90 engines | 833002 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Max Life High Mileage SAE 0W-201 Quart | View on Amazon |
| VALVOLINE Fits: all 2026 CX-90 engines | 852400 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Full Synthetic High Mileage with Max Life Technology SAE 0W-201 Quart | View on Amazon |
| VALVOLINE Fits: all 2026 CX-90 engines | 881149 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Max Life High Mileage SAE 0W-20Easy Pour 5 Quart | View on Amazon |
| VALVOLINE Fits: all 2026 CX-90 engines | 881168 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Full Synthetic High Mileage with Max Life Technology SAE 0W-20Easy Pour 5 Quart | View on Amazon |
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.
31 Oil parts for the 2026 Mazda CX-90 come from 5 brands — VALVOLINE, LIQUI MOLY, MOBIL and 2 other brands. The "Popular" part is LIQUI MOLY 2208. Full Synthetic and High Mileage (>75,000 Miles) are all represented, and Full Synthetic alone accounts for 24 parts.
Oil Drain Plug
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| REIN Fits: all 2026 CX-90 engines | HWU0110 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the drain plugs in the oil pan.
This group shows a single part: REIN HWU0110.
Oil Filler Cap
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CALORSTAT Fits: all 2026 CX-90 engines | OC2330 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | PlasticTwist-On | View on Amazon |
| MOTORAD Fits: all 2026 CX-90 engines | MO147 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the caps on the oil filler neck.
2 Oil Filler Cap parts for the 2026 Mazda CX-90 come from 2 brands — CALORSTAT and MOTORAD. Every part fits both the 2.5L L4 ELECTRIC/GAS and the 3.3L L6 Turbocharged.
Listed part numbers: CALORSTAT OC2330 and MOTORAD MO147.
Oil Filter
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CHAMP / LUBER-FINER Popular Fits: 2.5L L4 ELECTRIC/GAS | PH2876 | 🇺🇸 US 🇨🇦 CA | Inside Diameter: M20 X 1.5 Thread. | View on Amazon |
| FRAM Fits: 3.3L L6 Turbocharged | FE3614 | 🇺🇸 US 🇨🇦 CA | Spin-OnTough Guard or Synthetic Endurance | View on Amazon |
| FVP Fits: 2.5L L4 ELECTRIC/GAS | R7002 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| FVP Fits: 3.3L L6 Turbocharged | R1348 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Spin-On Filter | View on Amazon |
| PRO-TEC Fits: 2.5L L4 ELECTRIC/GAS | PXL57002 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| PRO-TEC Fits: 3.3L L6 Turbocharged | PXL51348 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Spin-On Filter | View on Amazon |
| VARIOUS MFR Fits: 2.5L L4 ELECTRIC/GAS | PG4612 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| VARIOUS MFR Fits: 3.3L L6 Turbocharged | PG241 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Spin-On | View on Amazon |
High Performance / Heavy Duty
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOBIL Popular Fits: 2.5L L4 ELECTRIC/GAS | M1108A | 🇺🇸 US 🇨🇦 CA | Extended Performance | View on Amazon |
| WIX Popular Fits: 3.3L L6 Turbocharged | 51348XP | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | XP Extreme DutyBest for Synthetic Motor Oils | View on Amazon |
| MOBIL Fits: 3.3L L6 Turbocharged | M1102A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Extended Performance | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WIX Popular Fits: 3.3L L6 Turbocharged | 51348 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Spin-On Filter | View on Amazon |
| ACDELCO Fits: 3.3L L6 Turbocharged | PF53 | 🇺🇸 US 🇨🇦 CA | Gold / Professional or Gold / Professional DurapackSpin-On | View on Amazon |
| VARIOUS MFR Fits: 2.5L L4 ELECTRIC/GAS | PG4612EX | 🇺🇸 US 🇨🇦 CA | Extended Life | View on Amazon |
| VARIOUS MFR Fits: 3.3L L6 Turbocharged | PG241EX | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Extended LifeSpin-On | View on Amazon |
| WIX Fits: 2.5L L4 ELECTRIC/GAS | 57002 | 🇺🇸 US 🇨🇦 CA | 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.
16 Oil Filter parts for the 2026 Mazda CX-90 come from 8 brands — VARIOUS MFR, WIX, FVP and 5 other brands. The "Popular" part is CHAMP / LUBER-FINER PH2876.
The Economy section lists 8 options from FVP, PRO-TEC, VARIOUS MFR and 2 other brands — the catalog's value-priced group. CHAMP / LUBER-FINER PH2876 is listed in this group.
The High Performance / Heavy Duty section lists 3 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, WIX, VARIOUS MFR and ACDELCO supply 5 parts: built to original-equipment specification. A representative part number is WIX 51348.
Timing Chain
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MELLING Fits: 2.5L L4 ELECTRIC/GAS | 1065 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the timing chains that keep the cams in time with the crank.
One part is listed for the 2026 Mazda CX-90 — MELLING 1065.
Timing Chain & Component Kit
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MELLING Fits: 2.5L L4 ELECTRIC/GAS | 31065SX | 🇺🇸 US 🇨🇦 CA | Does Not Include SprocketsOil pump drive components Not Included | View on Amazon |
| MELLING Fits: 2.5L L4 ELECTRIC/GAS | 31065S | 🇺🇸 US 🇨🇦 CA | Oil pump drive components Not Included | View on Amazon |
This table covers kits that group a timing chain with the related tensioners and guides.
2 Timing Chain & Component Kit parts for the 2026 Mazda CX-90 come from MELLING.
Part numbers include MELLING 31065SX and MELLING 31065S.
Timing Chain Guide / Damper
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MELLING Fits: 2.5L L4 ELECTRIC/GAS | BT7027 | 🇺🇸 US 🇨🇦 CA | Tensioner Arm | View on Amazon |
| MELLING Fits: 2.5L L4 ELECTRIC/GAS | BG7030 | 🇺🇸 US 🇨🇦 CA | Upper | View on Amazon |
This table covers the guides and dampers that keep the timing chain on its path.
MELLING supplies both parts for the 2026 Mazda CX-90.
This group includes MELLING BT7027 and MELLING BG7030.
Timing Chain Tensioner
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| INA Fits: 2.5L L4 ELECTRIC/GAS | ZT0269 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| MELLING Fits: 2.5L L4 ELECTRIC/GAS | BT7029 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
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.
2 Timing Chain Tensioner parts for the 2026 Mazda CX-90 come from 2 brands — INA and MELLING.
Listed part numbers: INA ZT0269 and MELLING BT7029.
Timing Crank Sprocket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| INA Fits: 2.5L L4 ELECTRIC/GAS | ZS0298 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| MELLING Fits: 2.5L L4 ELECTRIC/GAS | S1245 | 🇺🇸 US 🇨🇦 CA | Outer | View on Amazon |
| MELLING Fits: 2.5L L4 ELECTRIC/GAS | S1247 | 🇺🇸 US 🇨🇦 CA | Inner | View on Amazon |
This table covers the crankshaft sprockets that drive the timing chain or belt.
3 Timing Crank Sprocket parts for the 2026 Mazda CX-90 come from 2 brands — MELLING and INA.
Part numbers include INA ZS0298, MELLING S1245 and MELLING S1247.
Buying Engine Parts for a 2026 Mazda CX-90
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.
- Match the engine first. Some engine parts fit every engine; others are engine-specific. Each row shows which engine(s) it fits.
- 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: Oil and Oil Filter .
Frequently Asked Questions
How many engine parts fit the 2026 Mazda CX-90?
Our catalog currently lists 61 engine parts for the 2026 Mazda CX-90 across 10 subcategories and 17 brands, covering both the 2.5L L4 ELECTRIC/GAS and the 3.3L L6 Turbocharged. Each part is matched to the engine(s) it fits.
Do engine parts differ between 2026 Mazda CX-90 engines?
Some do. 31 parts fit every engine; the other 30 are engine-specific. Each row (and the filter at the top) shows which. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.
What are the signs of engine problems on a 2026 Mazda CX-90?
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 oil viscosity is listed for the 2026 Mazda CX-90?
Oil rows on this page include SAE 0W-20. Confirm the engine and the weight on the filler cap before you buy — high-mileage and standard fills can differ.
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 2026 Mazda CX-90 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 2026 Mazda CX-90?
First match the engine — each row shows which engine(s) the part fits. 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 2026 Mazda CX-90
Engine Parts for Other Mazda CX-90 Years
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