Premium RHB5W water-cooled turbocharger for Isuzu Trooper & Opel Monterey 3.1L 4JG2 engines with OEM-spec quality replacing 8970385181 & VE180027 and Fast export
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The Isuzu 4JG2-TC turbocharger (OEM: 8970385180 / Model: RHB5W) is a water-cooled unit with an internal wastegate.
It addresses typical oil seal leakage and journal bearing wear, and fits Isuzu Trooper, Bighorn, and Opel Monterey 3.1L TD.
In stock for global wholesale.
High-performance RHB5W water-cooled turbocharger designed as a direct replacement for Isuzu Trooper and Opel/Vauxhall Monterey 3.1L TD (4JG2 / 4JG2-TC) engines. Engineered with severe-duty journal bearings and advanced VSR balancing, this turbo reliably resolves common issues such as oil coking, excessive exhaust smoke, and sluggish acceleration. Cross-references precisely with OEM part numbers 8970385181, 8970385180, and VE180027. Ruich Value offers factory-direct wholesale pricing and reliable supply chains tailored for auto parts distributors, diesel rebuilders, and fleet repair facilities globally
OEM-Spec Performance: The RHB5W is built to meet or exceed original factory specifications. It restores lost horsepower and torque, ensuring the 4JG2TC engine operates with the power and responsiveness drivers expect.
Guaranteed First-Time Fit: Designed as a direct, bolt-on replacement for the Isuzu Trooper and Opel/Vauxhall Monterey (1991-1998), our turbocharger guarantees a perfect fit, saving critical labor time for busy technicians.
Factory-Direct Wholesale Value: By sourcing directly from the manufacturer, our B2B partners access competitive wholesale pricing, maximizing their profit margins on essential SUV replacement parts.
Reliability Backed by Warranty: Featuring a robust water-cooled center housing for superior heat management, every turbo undergoes a stringent high-speed balancing process. We back our quality with a comprehensive 6-month Manufacturer’s Warranty for complete confidence.
Solve Common Failure Symptoms: An effective, reliable fix for issues like significant power loss, excessive black or blue exhaust smoke, whining noises from the engine bay, and poor fuel economy caused by a worn-out original turbo.
Minimize Downtime with a Bolt-On Solution: This turbo arrives as a complete, pre-calibrated, and balanced assembly ready for immediate installation. It’s a true bolt-on replacement for part 8970385181, getting vehicles back on the road faster.
Built for Durability: Constructed from high-grade alloys to withstand the thermal stress of diesel performance, this turbo is designed for a long and reliable service life in both daily driving and demanding off-road conditions.
| Attribute | Specification |
| Turbo Model | RHB5 W WATER COOLING, RHB52W-70005P15NBR3911E |
| Application Vehicle | 1991-98 Isuzu Trooper, Opel Monterey, Vauxhall Monterey |
| Application Engine | 3.1L TD: 4JG2-TC, P756-TC, 4JB1TC, 4JG2TC |
| Reference OE Number(s) | 8970385181, 8970385180, 8970700291, VE180027, VA180027, VD180027, 860010 |
| Technology | Wastegate Turbocharger with Water-Cooled CHRA |
| Condition | Brand New, Direct Replacement |
| Warranty | 1-Year Manufacturer’s Warranty |
| CHRA | VA810037 |
| Turbine Wheel | NN131614 (223T-515) |
| Compressor Wheel | NN136610 (NN136603) |
| Repair Kit | NN139921/NN139922 (509T-545) |
As a specialized manufacturer, our capabilities cover a vast range of turbochargers. Below is a sample of the models we can supply. Please contact us if you don’t see your specific model listed.
| Model | Model | Model | Model |
|---|---|---|---|
| WH2D-9371AZ/XA22TC3A | TO4E33 | TD08H-27VRC | TBP430 |
| TBP405 | TB41/TB4126 | RHG8/RHG8V | RHE7-9 |
| RHE6/RHE62 | RHC7FW | RHC7A | RHC7-8 OIL COOLING |
| RHC7E | RHC61B | RHC61A | RHC6-1 W |
| RHC6 WATER COOLING | RHC6 | GT3576DL | GT3576 |
| GT3576D | GT2259-4W | GT3576LD | GT3271 |
| GT033W | GT22-068 | RHF5-12 W | GT22 W OIL COOLING |
| GT22 W WATER COOLING | RHF5-23 W | RHF5 W | RHF5-4 W 7-3 |
| RHF5-2 W / RHF4H | RHF5-14 W | RHB5W Water-Cooled Turbo | RHB5 W OIL COOLING |
| TB2518 | TB25W 4BD2 | GT22-0148 W | RHC6 |
| RHF5-22 V.W | RHF5-12 W / RHF5-64006P15 | TBP420 W | TDO4HL-15G/8.5 |
| RHB6 / RHB6A | RHC7-1100IP20 | TDO4HL-15G/12 | RHC7-6 V |
| RHG6-3 | RHC7-57 / RHE7 | RHG6 | RHB32BW |
| TD08 / TD08H | RHF5/K03 | RHF5 | RHC9 |
| RHF4H | RHF5V / RH5V / RHF5V | TA5136 | RHF55W |
A: The Isuzu 4JG2 turbocharger typically fails due to oil starvation or heat coking, which rapidly damages the internal journal bearings. Common symptoms include a noticeable whistling noise on engine shutdown, excessive blue exhaust smoke from oil seal blow-by, and a significant loss of engine power under load.
A: The 8970385181 turbocharger directly cross-references to OEM part numbers 8970385180, VE180027, and 860010. It is an exact bolt-on replacement for the RHB52W and VI95 turbos originally equipped on the 3.1L TD engines in the Isuzu Trooper and Opel Monterey.
A: To maximize the lifespan of your 4JG2 turbo, always adhere to strict oil change intervals using the correct diesel engine oil. Additionally, you must allow the engine to idle for one to two minutes before shutdown after heavy driving to prevent oil coking inside the water-cooled bearing housing.
Partner with a professional manufacturer for your turbocharger inventory. Whether you are a parts distributor, fleet manager, or running a repair shop, we are ready to provide you with top-quality products and competitive pricing.
Contact us now to discuss your wholesale needs.
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