The 2021 Isuzu NPR has 5 ignition parts with verified fitment on this page — 1 part type and 4 brands, covering both the 5.2L L4 DIESEL Turbocharged and the 6.6L V8. Each part includes a manufacturer part number and application notes.
The ignition system on the 2021 Isuzu NPR delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules. Every listed part is an Ignition Coil.
The 2021 Isuzu NPR was sold with both the 5.2L L4 DIESEL Turbocharged and the 6.6L V8. Every part on this page is engine-specific. Each part shows which engine(s) it fits.
4 brands supply ignition parts for the 2021 Isuzu NPR, led by WELLS (2 parts), FVP (1 part) and HOLSTEIN (1 part), plus 1 more brand. Quality grades include Standard Replacement and Economy.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2021 Isuzu NPR. 1 part has it: FVP UF742F (Ignition Coil). Each part number opens a page with every vehicle that part fits.
Ignition Coil
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FVP Popular Fits: 6.6L V8 | UF742F | 🇺🇸 US 🇨🇦 CA | with Round Coil(s) | View on Amazon |
| HOLSTEIN Fits: 6.6L V8 | 2IGC0538 | 🇺🇸 US 🇨🇦 CA | Round Coil | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 6.6L V8 | UF742 | 🇺🇸 US 🇨🇦 CA | with Round Coil(s) | View on Amazon |
| WELLS Fits: 6.6L V8 | 5C1877 | 🇺🇸 US 🇨🇦 CA | with Delco Coil(s)Square Shape Coil | View on Amazon |
| WELLS Fits: 6.6L V8 | 5C1876 | 🇺🇸 US 🇨🇦 CA | with Delphi Coil(s)Round Shape 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.
5 Ignition Coil parts for the 2021 Isuzu NPR come from 4 brands — WELLS, FVP, HOLSTEIN and 1 other brand. The "Popular" part is FVP UF742F.
The Economy section lists 2 options from FVP and HOLSTEIN — the catalog's value-priced group. FVP UF742F is listed in this group.
In the Standard Replacement grade, WELLS and STANDARD MOTOR PRODUCTS supply 3 parts: built to original-equipment specification. A representative part number is STANDARD MOTOR PRODUCTS UF742.
This group includes FVP UF742F, HOLSTEIN 2IGC0538 and STANDARD MOTOR PRODUCTS UF742 and the remaining parts above.
Buying Ignition Parts for a 2021 Isuzu NPR
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 .
Frequently Asked Questions
How many ignition parts fit the 2021 Isuzu NPR?
Our catalog currently lists 5 ignition parts for the 2021 Isuzu NPR across 1 subcategory and 4 brands, covering both the 5.2L L4 DIESEL Turbocharged and the 6.6L V8. Each part is matched to the engine(s) it fits.
Do ignition parts differ between 2021 Isuzu NPR 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 Isuzu NPR?
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 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 Isuzu NPR 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 Isuzu NPR?
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 Isuzu NPR
Ignition Parts for Other Isuzu NPR Years
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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.