This page lists 13 automatic transmission parts for the 2012 Isuzu NPR, across 5 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 2012 Isuzu NPR, the automatic transmission covers the automatic gearbox and its supporting cast — filters, coolers, solenoids, mounts and torque-converter parts. Most of the listed parts are Filter (7 parts), Fluid Cooler Line / Hose Connector (2 parts) and Fluid Cooler Mount (2 parts). The other 2 part types cover the remaining 2 parts.
The 2012 Isuzu NPR was sold with 3 engines. Every part on this page is engine-specific. Each part shows which engine(s) it fits.
The most listed brands for 2012 Isuzu NPR automatic transmission parts are HASTINGS / BALDWIN (3 parts), HAYDEN (3 parts) and DORMAN (2 parts), plus 4 more brands. Quality grades include Standard Replacement and Economy.
1 part on this 2012 Isuzu NPR page carries a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — WIX 58369 (Filter). Click any part number to see every vehicle that part fits.
Automatic Transmission Control Unit (TCU)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: 6.0L V8 | SP609006 | 🇺🇸 US 🇨🇦 CA | 6 SpeedAutomatic Transmission | View on Amazon |
This table covers the control units that command automatic-transmission shifts.
One part is listed for the 2012 Isuzu NPR — DORMAN SP609006.
Filter
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VARIOUS MFR Fits: 6.0L V8 | PT20022 | 🇺🇸 US 🇨🇦 CA | Standard | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WIX Popular Fits: 6.0L V8 | 58369 | 🇺🇸 US 🇨🇦 CA | 6L90 Transmission | View on Amazon |
| ATP Fits: 6.0L V8 | B205 | 🇺🇸 US | Premium Replacement | View on Amazon |
| HASTINGS / BALDWIN Fits: 6.0L V8 | LF517 | 🇺🇸 US 🇨🇦 CA | Spin-On | View on Amazon |
| HASTINGS / BALDWIN Fits: 6.0L V8 | TF209 | 🇺🇸 US 🇨🇦 CA | NPR Base ModelPan-Type | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HASTINGS / BALDWIN Fits: 3.0L L4 DIESEL Turbocharged | LF517 | 🇺🇸 US 🇨🇦 CA | Spin-On | View on Amazon |
| WIX Fits: 3.0L L4 DIESEL Turbocharged | 51622 | 🇺🇸 US 🇨🇦 CA | Spin-On Filter | View on Amazon |
This table covers the replacement filters for this application — the table heading and notes say which circuit. Typical signs include restricted flow — long cranking, weak airflow, or dirty fluid after a short interval. Seat the new filter so it cannot bypass, and use the grade the notes call for.
7 Filter parts for the 2012 Isuzu NPR come from 4 brands — HASTINGS / BALDWIN, WIX, VARIOUS MFR and 1 other brand. The "Popular" part is WIX 58369.
The Economy section lists 1 option from VARIOUS MFR — the catalog's value-priced group. VARIOUS MFR PT20022 is listed in this group.
In the Standard Replacement grade, HASTINGS / BALDWIN, WIX and ATP supply 4 parts: built to original-equipment specification. A representative part number is WIX 58369.
2 further parts sit outside the graded sections, with the same engine-level match.
Part numbers include WIX 58369, VARIOUS MFR PT20022 and ATP B205, among others listed above.
Fluid Cooler Line / Hose
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: 3.0L L4 DIESEL Turbocharged, 6.0L V8 | 6241002 | 🇺🇸 US 🇨🇦 CA | 3 Piece Kit | View on Amazon |
This table covers the Fluid Cooler Line hoses. Typical signs include swelling, cracks, a soft spot, or a leak at a clamp. Replace adjacent aged hoses while the system is drained — they share the same heat cycle.
This group shows a single part: DORMAN 6241002.
Fluid Cooler Line / Hose Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FOUR SEASONS Fits: 6.0L V8 | 53024 | 🇺🇸 US 🇨🇦 CA | Transmission Line Fitting KitUse On Vehicles with Snap-In Transmission Line Fitting | View on Amazon |
| HAYDEN Fits: 6.0L V8 | 397 | 🇺🇸 US 🇨🇦 CA | Transmission Line Fitting KitUse On Vehicles with Snap-In Transmission Line Fitting | View on Amazon |
This table covers the harness connectors at the Fluid Cooler Line / Hose. 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.
2 Fluid Cooler Line / Hose Connector parts are listed for the 2012 Isuzu NPR, from FOUR SEASONS and HAYDEN.
Listed part numbers: FOUR SEASONS 53024 and HAYDEN 397.
Fluid Cooler Mount
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HAYDEN Fits: 6.0L V8 | 238 | 🇺🇸 US 🇨🇦 CA | Mounting KitRubber Block Mounting Kit for 1-1/2" Thick Cooler | View on Amazon |
| HAYDEN Fits: 6.0L V8 | 153 | 🇺🇸 US 🇨🇦 CA | Mounting KitMetal Mounting Bracket kit for 1-1/2" thick cooler | View on Amazon |
This table covers the Fluid Cooler 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.
HAYDEN supplies both parts for the 2012 Isuzu NPR.
This group includes HAYDEN 238 and HAYDEN 153.
Buying Automatic Transmission Parts for a 2012 Isuzu NPR
On this vehicle, the automatic transmission covers the automatic gearbox and its supporting cast — filters, coolers, solenoids, mounts and torque-converter parts.
- Match the engine first. Every automatic transmission 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 the filter and pan gasket with every fluid service, and flush the cooler lines when replacing a failed unit.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Filter and Fluid Cooler Line / Hose Connector .
Frequently Asked Questions
How many automatic transmission parts fit the 2012 Isuzu NPR?
Our catalog currently lists 13 automatic transmission parts for the 2012 Isuzu NPR across 5 subcategories and 7 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 automatic transmission parts differ between 2012 Isuzu NPR engines?
Yes. Every automatic transmission 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 automatic transmission problems on a 2012 Isuzu NPR?
Common symptoms include delayed or harsh engagement, slipping under load, fluid that smells burnt, or shuddering at light throttle around 40 mph. 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 the filter and pan gasket with every fluid service, and flush the cooler lines when replacing a failed unit.
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 2012 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 2012 Isuzu NPR?
First match the engine — each row shows which engine(s) the part fits. Then use exactly the fluid specification in the notes — automatic transmissions are the least forgiving component on the vehicle about fluid choice. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2012 Isuzu NPR
Automatic Transmission Parts for Other Isuzu NPR 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.