The 2002 Isuzu NPR has 14 electrical parts with verified fitment on this page — 5 part types and 8 brands, covering both the 4.8L L4 DIESEL Turbocharged and the 5.7L V8. Each part includes a manufacturer part number and application notes.
On the 2002 Isuzu NPR, the electrical system covers charging, starting and the sensors and modules the vehicle relies on, from alternator and starter to oxygen sensors. Most of the listed parts are Battery (5 parts), Speed Sensor (4 parts) and Alternator / Generator (2 parts). The other 2 part types cover the remaining 3 parts.
The 2002 Isuzu NPR was sold with both the 4.8L L4 DIESEL Turbocharged and the 5.7L V8. Every part on this page is engine-specific. Each part shows which engine(s) it fits.
8 brands supply electrical parts for the 2002 Isuzu NPR, led by STANDARD MOTOR PRODUCTS (3 parts), TERREPOWER (2 parts) and DEKA (2 parts), plus 5 more brands. Quality grades include Economy, New and Remanufactured.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2002 Isuzu NPR. 1 part has it: DEKA 9A78DT (Battery). Each part number opens a page with every vehicle that part fits.
Alternator / Generator
New
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TERREPOWER Fits: 5.7L V8 | 90251105N | 🇺🇸 US 🇨🇦 CA | Does Not Include Pulley | View on Amazon |
Remanufactured
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TERREPOWER Fits: 5.7L V8 | 90251105 | 🇺🇸 US 🇨🇦 CA | RemanufacturedDoes Not Include Pulley | View on Amazon |
This table covers the alternators that charge the battery and run the electrical load. Typical signs include dim lights at idle, a battery lamp, or a growl from the charging pulley. Load-test the battery and inspect the belt and grounds — a bad ground mimics a failed alternator.
2 Alternator / Generator parts for the 2002 Isuzu NPR come from TERREPOWER.
The New section lists 1 option from TERREPOWER — brand-new units rather than rebuilt ones. TERREPOWER 90251105N is listed in this group.
The Remanufactured section lists 1 option from TERREPOWER — factory-rebuilt units with new wear components. TERREPOWER 90251105 is listed in this group.
This group includes TERREPOWER 90251105N and TERREPOWER 90251105.
Battery
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DEKA Popular Fits: 5.7L V8 | 9A78DT | 🇺🇸 US 🇨🇦 CA | IntimidatorAGM | View on Amazon |
| DEKA Fits: 5.7L V8 | 9A34 | 🇺🇸 US 🇨🇦 CA | IntimidatorAGM | View on Amazon |
| EXIDE Fits: 5.7L V8 | MX24 | 🇺🇸 US 🇨🇦 CA | Marathon MaxBCI Group 24 | View on Amazon |
| FVP Fits: 5.7L V8 | P24AGM | 🇺🇸 US 🇨🇦 CA | Platinum AGMBCI Group: 24 | View on Amazon |
| FVP Fits: 5.7L V8 | P24RAGM | 🇺🇸 US 🇨🇦 CA | Platinum AGMBCI Group: 24 | View on Amazon |
This table covers the batteries listed by group size and specification. Typical signs include slow cranking, a battery lamp, or a no-start after the vehicle sat overnight. Confirm group size and terminal layout in the notes. Clean the posts and the ground before condemning the battery.
5 Battery parts are listed for the 2002 Isuzu NPR, from DEKA, FVP and EXIDE. DEKA 9A78DT carries the "Popular" badge.
Listed part numbers: DEKA 9A78DT, DEKA 9A34 and EXIDE MX24, plus the other parts above.
Engine Control Module (ECM Computer)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Fits: 5.7L V8 | 21811787 | 🇺🇸 US 🇨🇦 CA | GoldRemanufactured | View on Amazon |
This table covers the engine-control modules that run fuel, spark and emissions.
This group shows a single part: ACDELCO 21811787.
Speed Sensor
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: 5.7L V8 | 917624 | 🇺🇸 US 🇨🇦 CA | Fits Transmission SpeedInput | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 5.7L V8 | SC130T | 🇺🇸 US 🇨🇦 CA | T-Series | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 5.7L V8 | SC130 | 🇺🇸 US 🇨🇦 CA | Vehicle Speed | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 5.7L V8 | SC303 | 🇺🇸 US 🇨🇦 CA | Transmission SpeedOutput | View on Amazon |
This table covers the speed sensors on the transmission, transfer case or ABS ring. Typical signs include a dead speedometer, harsh transmission shifts, or a code for vehicle speed. Inspect the tone wheel and the connector before replacing the sensor.
4 Speed Sensor parts are listed for the 2002 Isuzu NPR, from STANDARD MOTOR PRODUCTS and DORMAN.
In the Economy grade, DORMAN and STANDARD MOTOR PRODUCTS supply 2 parts: the catalog's value-priced group. A representative part number is DORMAN 917624.
The Standard Replacement section lists 2 options from STANDARD MOTOR PRODUCTS — built to original-equipment specification. STANDARD MOTOR PRODUCTS SC130 is listed in this group.
Listed part numbers: DORMAN 917624, STANDARD MOTOR PRODUCTS SC130T and STANDARD MOTOR PRODUCTS SC130, plus the other parts above.
Starter Motor
New
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAI GLOBAL Fits: 5.7L V8 | 6449NM | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Remanufactured
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAI GLOBAL Fits: 5.7L V8 | 6449R | 🇺🇸 US 🇨🇦 CA | Power Select Reman | View on Amazon |
This table covers the starter motors that crank the engine. Typical signs include no motion, a squeal, or a motor that only runs on one speed. Confirm power, ground and the control module before replacing the motor.
2 Starter Motor parts for the 2002 Isuzu NPR come from WAI GLOBAL.
The New section: 1 option from WAI GLOBAL. WAI GLOBAL 6449NM is listed in this group.
The Remanufactured section: 1 option from WAI GLOBAL. WAI GLOBAL 6449R is listed in this group.
Listed part numbers: WAI GLOBAL 6449NM and WAI GLOBAL 6449R.
Buying Electrical Parts for a 2002 Isuzu NPR
On this vehicle, the electrical system covers charging, starting and the sensors and modules the vehicle relies on, from alternator and starter to oxygen sensors.
- Match the engine first. Every electrical 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, clean or renew the battery terminals and grounds with any charging-system repair.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Battery and Speed Sensor .
Frequently Asked Questions
How many electrical parts fit the 2002 Isuzu NPR?
Our catalog currently lists 14 electrical parts for the 2002 Isuzu NPR across 5 subcategories and 8 brands, covering both the 4.8L L4 DIESEL Turbocharged and the 5.7L V8. Each part is matched to the engine(s) it fits.
Do electrical parts differ between 2002 Isuzu NPR engines?
Yes. Every electrical 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 electrical problems on a 2002 Isuzu NPR?
Common symptoms include slow cranking on cold mornings, a battery light that flickers, dim lights at idle, or a check-engine code pointing at a sensor circuit. 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, clean or renew the battery terminals and grounds with any charging-system repair.
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 2002 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 2002 Isuzu NPR?
First match the engine — each row shows which engine(s) the part fits. Then test before replacing — a failed alternator and a bad ground can look identical, and sensors are frequently condemned for wiring faults. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2002 Isuzu NPR
Electrical 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.