The 2021 Kia K5 has 28 ignition parts with verified fitment on this page — 4 part types and 13 brands, covering both the 1.6L L4 Turbocharged and the 2.5L L4 Turbocharged. Each part includes a manufacturer part number and application notes.
On the 2021 Kia K5, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules. 24 parts of the 28 listed are Ignition Coil (10 parts), Camshaft Position Sensor (8 parts) and Crankshaft Position Sensor (6 parts). The other 1 part type covers the remaining 4 parts.
The 2021 Kia K5 was sold with both the 1.6L L4 Turbocharged and the 2.5L L4 Turbocharged. Every part on this page is engine-specific. Each part shows which engine(s) it fits.
The most listed brands for 2021 Kia K5 ignition parts are WALKER PRODUCTS (6 parts), STANDARD MOTOR PRODUCTS (4 parts) and NGK (4 parts), plus 10 more brands. Quality grades include Standard Replacement, Economy and Premium.
4 parts on this 2021 Kia K5 page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including STANDARD MOTOR PRODUCTS PC1231 (Camshaft Position Sensor) and SPECTRA PREMIUM S10578 (Crankshaft Position Sensor). Click any part number to see every vehicle that part fits.
Camshaft Position Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular Fits: 1.6L L4 Turbocharged | PC1231 | 🇺🇸 US 🇨🇦 CA | Exhaust | View on Amazon |
| DELPHI Fits: 1.6L L4 Turbocharged | SS12443 | 🇺🇸 US 🇨🇦 CA | Exhaust | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 1.6L L4 Turbocharged | PC1239 | 🇺🇸 US 🇨🇦 CA | Intake | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 2.5L L4 Turbocharged | PC1240 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WALKER PRODUCTS Fits: 1.6L L4 Turbocharged | 2352247 | 🇺🇸 US 🇨🇦 CA | Sensor Only | View on Amazon |
| WALKER PRODUCTS Fits: 1.6L L4 Turbocharged | 2352393 | 🇺🇸 US 🇨🇦 CA | Sensor Only | View on Amazon |
| WALKER PRODUCTS Fits: 2.5L L4 Turbocharged | 2352284 | 🇺🇸 US 🇨🇦 CA | Sensor Only | View on Amazon |
| WELLS Fits: 2.5L L4 Turbocharged | 5S17024 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the sensors that report camshaft position to the ECU. Typical signs include a stall, a no-start, or a code for cam or crank correlation. Check the connector and the reluctor gap before replacing the sensor.
8 Camshaft Position Sensor parts are listed for the 2021 Kia K5, from STANDARD MOTOR PRODUCTS, WALKER PRODUCTS, DELPHI and 1 other brand. STANDARD MOTOR PRODUCTS PC1231 carries the "Popular" badge.
Part numbers include STANDARD MOTOR PRODUCTS PC1231, DELPHI SS12443 and STANDARD MOTOR PRODUCTS PC1239, among others listed above.
Crankshaft Position Sensor
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SPECTRA PREMIUM Popular Fits: 1.6L L4 Turbocharged | S10578 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| FAMOUS BRAND Fits: 1.6L L4 Turbocharged | CSC5088 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DELPHI Fits: 1.6L L4 Turbocharged | SS12447 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WALKER PRODUCTS Fits: 1.6L L4 Turbocharged | 2352353 | 🇺🇸 US 🇨🇦 CA | Sensor Only | View on Amazon |
| WELLS Fits: 1.6L L4 Turbocharged | 5S17033 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS Fits: 2.5L L4 Turbocharged | 5S17691 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the sensors that report crankshaft position and engine speed. Typical signs include a stall, a no-start, or a code for cam or crank correlation. Check the connector and the reluctor gap before replacing the sensor.
6 Crankshaft Position Sensor parts are listed for the 2021 Kia K5, from WELLS, SPECTRA PREMIUM, FAMOUS BRAND and 2 other brands. SPECTRA PREMIUM S10578 carries the "Popular" badge.
In the Economy grade, SPECTRA PREMIUM and FAMOUS BRAND supply 2 parts: the catalog's value-priced group. A representative part number is SPECTRA PREMIUM S10578.
The Standard Replacement section lists 3 options from DELPHI, WALKER PRODUCTS and WELLS — built to original-equipment specification. DELPHI SS12447 is listed in this group.
1 ungrouped part is not assigned to a grade, with the same engine-level match.
This group includes SPECTRA PREMIUM S10578, FAMOUS BRAND CSC5088 and DELPHI SS12447 and the remaining parts above.
Ignition Coil
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ULTRA-POWER Popular Fits: 1.6L L4 Turbocharged | UF889 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| B&B Fits: 1.6L L4 Turbocharged | BB2889 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DELPHI Fits: 2.5L L4 Turbocharged | GN11181 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BECK/ARNLEY Popular Fits: 1.6L L4 Turbocharged | 1788603 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| DENSO Fits: 1.6L L4 Turbocharged | 6738213 | 🇺🇸 US 🇨🇦 CA | Direct Ignition Coil or Coil On Plug | View on Amazon |
| HL MANDO Fits: 1.6L L4 Turbocharged | 21A0132 | 🇺🇸 US 🇨🇦 CA | New | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 1.6L L4 Turbocharged | UF889 | 🇺🇸 US 🇨🇦 CA | Terminal Type: Blade | View on Amazon |
| UNITED MOTOR PRODUCTS Fits: 1.6L L4 Turbocharged | COP727 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WALKER PRODUCTS Fits: 1.6L L4 Turbocharged | 9212393 | 🇺🇸 US 🇨🇦 CA | Single Coil | View on Amazon |
| WALKER PRODUCTS Fits: 2.5L L4 Turbocharged | 9212413 | 🇺🇸 US 🇨🇦 CA | Single Coil | View on Amazon |
This table covers the coils that fire each spark plug. Typical signs include a misfire that follows one cylinder, a snap in damp weather, or a coil that is swollen or cracked. Swap a suspect coil with a neighbor to confirm, then replace boots that tore on the way off.
10 Ignition Coil parts are listed for the 2021 Kia K5, from WALKER PRODUCTS, ULTRA-POWER, B&B and 6 other brands. ULTRA-POWER UF889 carries the "Popular" badge.
Economy: 2 parts, from ULTRA-POWER and B&B. A representative part number is ULTRA-POWER UF889.
The Premium section lists 1 option from DELPHI — a step above OE specification in materials, tolerances or warranty terms. DELPHI GN11181 is listed in this group.
The Standard Replacement section: 7 options from WALKER PRODUCTS, BECK/ARNLEY, DENSO and 3 other brands. BECK/ARNLEY 1788603 is listed in this group.
Spark Plug
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NGK Fits: 1.6L L4 Turbocharged | 95077 | 🇺🇸 US 🇨🇦 CA | Laser Iridium High Ignitability | View on Amazon |
| NGK Fits: 1.6L L4 Turbocharged | SILZKR8J8GS | 🇺🇸 US 🇨🇦 CA | Laser Iridium High Ignitability | View on Amazon |
| NGK Fits: 2.5L L4 Turbocharged | 96496 | 🇺🇸 US 🇨🇦 CA | Laser Iridium High Ignitability | View on Amazon |
| NGK Fits: 2.5L L4 Turbocharged | SILZKR8J9GS | 🇺🇸 US 🇨🇦 CA | Laser Iridium High Ignitability | View on Amazon |
This table covers the spark plugs for this engine. Typical signs include misfire under load, rough idle, or a flashing check-engine light. Verify the gap even on pre-gapped plugs, and replace coil boots that come off a high-mileage engine.
4 Spark Plug parts for the 2021 Kia K5 come from NGK.
Part numbers include NGK 95077, NGK SILZKR8J8GS and NGK 96496, among others listed above.
Buying Ignition Parts for a 2021 Kia K5
On this vehicle, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules.
- Match the engine first. Every ignition part here is 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 plugs and wires (or coil boots) as a set — one weak cylinder makes the whole set feel bad.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Ignition Coil and Camshaft Position Sensor .
Frequently Asked Questions
How many ignition parts fit the 2021 Kia K5?
Our catalog currently lists 28 ignition parts for the 2021 Kia K5 across 4 subcategories and 13 brands, covering both the 1.6L L4 Turbocharged and the 2.5L L4 Turbocharged. Each part is matched to the engine(s) it fits.
Do ignition parts differ between 2021 Kia K5 engines?
Yes. Every ignition part on this page is engine-specific. Each row shows which engine(s) it fits — use the filter at the top to hide the rest. 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 ignition problems on a 2021 Kia K5?
Common symptoms include misfires under load, rough idle, flashing check-engine light, or poor starting in damp weather. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What spark-plug gap is listed for the 2021 Kia K5?
Notes on this page include pre-set gaps of 0.032" and 0.036". Still verify against spec — even “pre-gapped” plugs should be checked before they go in.
What should I replace at the same time?
Where labor overlaps, replace plugs and wires (or coil boots) as a set — one weak cylinder makes the whole set feel bad.
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 2021 Kia K5 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 2021 Kia K5?
First match the engine — each row shows which engine(s) the part fits. Then gap matters even on “pre-gapped” plugs — verify against spec, and replace coil boots when they come off a high-mileage engine. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2021 Kia K5
Ignition Parts for Other Kia K5 Years
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