This page lists 10 electrical connector parts for the 2018 Isuzu NPR, across 4 part types, covering all 3 engine options (3.0L L4 DIESEL Turbocharged, 5.2L L4 DIESEL Turbocharged and 6.0L V8). Every part shows its brand, manufacturer part number and fitment notes.
On the 2018 Isuzu NPR, the connector system supplies the pigtails and connector bodies that terminate the vehicle harness at lamps, sensors and modules. 9 parts of the 10 listed are Camshaft Position Sensor Connector (5 parts), A/C Refrigerant Pressure Switch Connector (3 parts) and A/C Compressor Clutch Coil Connector (1 part). The other 1 part type covers the remaining 1 part.
The 2018 Isuzu NPR was sold with 3 engines. 2 parts fit every engine; the other 8 are engine-specific. Each part shows which engine(s) it fits.
The most listed brands for 2018 Isuzu NPR electrical connector parts are STANDARD MOTOR PRODUCTS (4 parts), FOUR SEASONS (2 parts) and ROSTRA (1 part), plus 3 more brands.
1 part on this 2018 Isuzu NPR page carries a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — STANDARD MOTOR PRODUCTS HP4240 (Camshaft Position Sensor Connector). Click any part number to see every vehicle that part fits.
A/C Compressor Clutch Coil Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FOUR SEASONS Fits: 6.0L V8 | 70048 | 🇺🇸 US 🇨🇦 CA | 2 Terminal Malewithout Diode | View on Amazon |
This table covers the harness connectors at the A/C Compressor Clutch Coil. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
One part is listed for the 2018 Isuzu NPR — FOUR SEASONS 70048.
A/C Refrigerant Pressure Switch Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FOUR SEASONS Fits: 6.0L V8 | 37236 | 🇺🇸 US 🇨🇦 CA | 3 Terminal Male | View on Amazon |
| ROSTRA Fits: 6.0L V8 | 610225 | 🇺🇸 US 🇨🇦 CA | Located on Discharge Line | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2018 NPR engines | S3229 | 🇺🇸 US 🇨🇦 CA | with 4 Blade Terminals | View on Amazon |
This table covers the harness connectors at the A/C Refrigerant Pressure Switch. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
3 A/C Refrigerant Pressure Switch Connector parts for the 2018 Isuzu NPR come from 3 brands — FOUR SEASONS, ROSTRA and STANDARD MOTOR PRODUCTS. 1 part fits every engine; the other 2 are engine-specific.
Listed part numbers: FOUR SEASONS 37236, ROSTRA 610225 and STANDARD MOTOR PRODUCTS S3229.
Camshaft Position Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular Fits: 6.0L V8 | HP4240 | 🇺🇸 US 🇨🇦 CA | HandypackConnector Shape: Oval | View on Amazon |
| ACDELCO Fits: 6.0L V8 | PT1910 | 🇺🇸 US 🇨🇦 CA | GoldTerminal Type: Pin | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 6.0L V8 | S656 | 🇺🇸 US 🇨🇦 CA | Connector Shape: OvalGauge: 18 | View on Amazon |
| WALKER PRODUCTS Fits: 6.0L V8 | 2701038 | 🇺🇸 US 🇨🇦 CA | Includes O-Ring, Seal | View on Amazon |
| WELLS Fits: all 2018 NPR engines | 1P1209 | 🇺🇸 US 🇨🇦 CA | Gender: MaleWiring Harness Length: 9.5 In | View on Amazon |
This table covers the harness connectors at the Camshaft Position Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
5 Camshaft Position Sensor Connector parts are listed for the 2018 Isuzu NPR, from STANDARD MOTOR PRODUCTS, ACDELCO, WALKER PRODUCTS and 1 other brand. STANDARD MOTOR PRODUCTS HP4240 carries the "Popular" badge. 1 part fits every engine; the other 4 are engine-specific.
Part numbers include STANDARD MOTOR PRODUCTS HP4240, ACDELCO PT1910 and STANDARD MOTOR PRODUCTS S656, among others listed above.
Manifold Pressure (MAP) Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 5.2L L4 DIESEL Turbocharged | S2212 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the harness connectors at the Manifold Pressure (MAP) Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
One part is listed for the 2018 Isuzu NPR — STANDARD MOTOR PRODUCTS S2212.
Buying Electrical Connector Parts for a 2018 Isuzu NPR
On this vehicle, the connector system supplies the pigtails and connector bodies that terminate the vehicle harness at lamps, sensors and modules.
- Match the engine first. Some electrical connector 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, use heat-shrink crimp connectors rather than twist-and-tape for any pigtail splice, especially outside the cabin.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Camshaft Position Sensor Connector and A/C Refrigerant Pressure Switch Connector .
Frequently Asked Questions
How many electrical connector parts fit the 2018 Isuzu NPR?
Our catalog currently lists 10 electrical connector parts for the 2018 Isuzu NPR across 4 subcategories and 6 brands, covering all 3 engine options (3.0L L4 DIESEL Turbocharged, 5.2L L4 DIESEL Turbocharged and 6.0L V8). Each part is matched to the engine(s) it fits.
Do electrical connector parts differ between 2018 Isuzu NPR engines?
Some do. 2 parts fit every engine; the other 8 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 electrical connector problems on a 2018 Isuzu NPR?
Common symptoms include intermittent faults that move when the harness is wiggled, green corrosion inside a plug, or melted connector housings near heat sources. 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, use heat-shrink crimp connectors rather than twist-and-tape for any pigtail splice, especially outside the cabin.
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 2018 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 2018 Isuzu NPR?
First match the engine — each row shows which engine(s) the part fits. Then match the connector by terminal count and keyway, not just appearance — many families look identical but will not lock. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2018 Isuzu NPR
Electrical Connector 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.