36 Engine parts are listed for the 2026 Kia K4, in 4 part types, covering both the 1.6L L4 Turbocharged and the 2.0L L4. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2026 Kia K4, 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 (21 parts), Oil Filter (12 parts) and Oil Filler Cap (2 parts). The other 1 part type covers the remaining 1 part.
The 2026 Kia K4 was sold with both the 1.6L L4 Turbocharged and the 2.0L L4. 24 parts fit every engine; the other 12 are engine-specific. Each part shows which engine(s) it fits.
12 brands supply engine parts for the 2026 Kia K4, led by VALVOLINE (11 parts), LIQUI MOLY (7 parts) and IDEMITSU (3 parts), plus 9 more brands. Quality grades include Economy and Standard Replacement.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2026 Kia K4. 8 parts have it, including LIQUI MOLY 20436 (Oil) and PRO-TEC PXL10473 (Oil Filter). Each part number opens a page with every vehicle that part fits.
Oil
Summary: Notes list SAE 0W-20. Confirm the engine and the weight on the filler cap before you buy. Both engines share the same viscosity. Replacement brands in this table include VALVOLINE, LIQUI MOLY and IDEMITSU.
Full Synthetic
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| LIQUI MOLY Popular Fits: all 2026 K4 engines | 20436 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Molygen New Generation 0W-201 Liter | View on Amazon |
| LIQUI MOLY Popular Fits: all 2026 K4 engines | 2208 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Special Tec AA 0W-205 Liter | View on Amazon |
| LIQUI MOLY Popular Fits: all 2026 K4 engines | 20438 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Molygen New Generation 0W-205 Liter | View on Amazon |
| VALVOLINE Popular Fits: all 2026 K4 engines | VV916 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Advanced Protection Full Synthetic SAE 0W-201 Quart | View on Amazon |
| IDEMITSU Fits: all 2026 K4 engines | 30016051750 | 🇺🇸 US | IFG3 0W-20 SQ/GF-7A1 Quart | View on Amazon |
| IDEMITSU Fits: all 2026 K4 engines | 30016051953 | 🇺🇸 US | IFG3 0W-20 SQ/GF-7A5 Quart | View on Amazon |
| IDEMITSU Fits: all 2026 K4 engines | 30015203750 | 🇺🇸 US | IFG3 0W-20 SP/Motor Oil1 Quart | View on Amazon |
| LIQUI MOLY Fits: all 2026 K4 engines | 2207 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Special TEC AA 0W-201 Liter | View on Amazon |
| LIQUI MOLY Fits: all 2026 K4 engines | 20198 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Special Tec V 0W-201 Liter | View on Amazon |
| LIQUI MOLY Fits: all 2026 K4 engines | 20200 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Special Tec V 0W-205 Liter | View on Amazon |
| LIQUI MOLY Fits: all 2026 K4 engines | 22190 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Top Tec 6610 0W-205 Liter | View on Amazon |
| VALVOLINE Fits: all 2026 K4 engines | 891682 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Extended Protection Full Synthetic SAE 0W-201 Quart | View on Amazon |
| VALVOLINE Fits: all 2026 K4 engines | 904536 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Restore & Protect Full Synthetic SAE 0W-201 Quart | View on Amazon |
| VALVOLINE Fits: all 2026 K4 engines | 888048 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | European Vehicle Full Synthetic SAE 0W-201 Quart | View on Amazon |
| VALVOLINE Fits: all 2026 K4 engines | 904538 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Restore & Protect Full Synthetic SAE 0W-205 Quart | View on Amazon |
| VALVOLINE Fits: all 2026 K4 engines | 881150 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Advanced Protection Full Synthetic SAE 0W-20Easy Pour 5 Quart | View on Amazon |
| VALVOLINE Fits: all 2026 K4 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 |
|---|---|---|---|---|
| VALVOLINE Fits: all 2026 K4 engines | 852400 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Full Synthetic High Mileage with Max Life Technology SAE 0W-201 Quart | View on Amazon |
| VALVOLINE Fits: all 2026 K4 engines | 833002 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Max Life High Mileage SAE 0W-201 Quart | View on Amazon |
| VALVOLINE Fits: all 2026 K4 engines | 881149 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Max Life High Mileage SAE 0W-20Easy Pour 5 Quart | View on Amazon |
| VALVOLINE Fits: all 2026 K4 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.
21 Oil parts for the 2026 Kia K4 come from 3 brands — VALVOLINE, LIQUI MOLY and IDEMITSU. The "Popular" part is LIQUI MOLY 20436. Every part fits both the 1.6L L4 Turbocharged and the 2.0L L4.
The Full Synthetic section lists 17 options from LIQUI MOLY, VALVOLINE and IDEMITSU — full-synthetic oils. LIQUI MOLY 20436 is listed in this group.
In the High Mileage (>75,000 Miles) grade, VALVOLINE supplies 4 parts: oils grouped for high-mileage engines. A representative part number is VALVOLINE 852400.
Oil Filler Cap
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORAD Fits: all 2026 K4 engines | MO151 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Cam Type: Screw -On | View on Amazon |
| MOTORAD Fits: all 2026 K4 engines | MO223 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Cam Type: Threaded | View on Amazon |
This table covers the caps on the oil filler neck.
2 Oil Filler Cap parts for the 2026 Kia K4 come from MOTORAD. Every part fits both the 1.6L L4 Turbocharged and the 2.0L L4.
Part numbers include MOTORAD MO151 and MOTORAD MO223.
Oil Filter
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRO-TEC Popular Fits: 1.6L L4 Turbocharged | PXL10473 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| CHAMP / LUBER-FINER Fits: 1.6L L4 Turbocharged | P1083 | 🇺🇸 US 🇨🇦 CA | Anti-Drain Back Valve: No | View on Amazon |
| CHAMP / LUBER-FINER Fits: 2.0L L4 | P1099 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| FVP Fits: 1.6L L4 Turbocharged | G0473 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| FVP Fits: 2.0L L4 | G0521 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Original Equipment (OE) Part Number 26350-2J001 | View on Amazon |
| PRO-TEC Fits: 2.0L L4 | PXL10521 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VARIOUS MFR Popular Fits: 2.0L L4 | PO99602EX | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Extended Life | View on Amazon |
| WIX Popular Fits: 1.6L L4 Turbocharged | WL10473 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| WIX Popular Fits: 2.0L L4 | WL10521 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| FEL-PRO Fits: 2.0L L4 | OFCS3010 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Includes Cap and Filter | View on Amazon |
| FRAM Fits: 1.6L L4 Turbocharged | CH12782 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Extra GuardCartridge Filter | View on Amazon |
| VARIOUS MFR Fits: 1.6L L4 Turbocharged | PO99518EX | 🇺🇸 US 🇨🇦 CA | 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.
12 Oil Filter parts for the 2026 Kia K4 come from 7 brands — PRO-TEC, CHAMP / LUBER-FINER, FVP and 4 other brands. The "Popular" part is PRO-TEC PXL10473.
The Economy section lists 6 options from PRO-TEC, CHAMP / LUBER-FINER and FVP — the catalog's value-priced group. PRO-TEC PXL10473 is listed in this group.
In the Standard Replacement grade, VARIOUS MFR, WIX, FEL-PRO and 1 other brand supply 6 parts: built to original-equipment specification. A representative part number is VARIOUS MFR PO99602EX.
Torque Strut Mount
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ANCHOR Fits: all 2026 K4 engines | 10136 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Lower | View on Amazon |
This table covers the Torque Strut mounts. 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.
One part is listed for the 2026 Kia K4 — ANCHOR 10136.
Buying Engine Parts for a 2026 Kia K4
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 Kia K4?
Our catalog currently lists 36 engine parts for the 2026 Kia K4 across 4 subcategories and 12 brands, covering both the 1.6L L4 Turbocharged and the 2.0L L4. Each part is matched to the engine(s) it fits.
Do engine parts differ between 2026 Kia K4 engines?
Some do. 24 parts fit every engine; the other 12 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 Kia K4?
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 Kia K4?
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 Kia K4 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 Kia K4?
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 Kia K4
Engine Parts for Other Kia K4 Years
Switch vehicle or jump to a subcategory
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.