Factory direct 3530996 Cummins WH1C turbocharger for 5.9L 6BTAA engines. High-durability wastegate fits Dodge Ram 2500 and Case IH 5140. Resists carbon buildup and oil leaks. Global shipping.
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The Holset WH1C turbocharger (OEM: 3530996) is a wastegate-regulated unit for 6BTAA 5.9L engines.
It resolves actuator failure issues and fits equipment including Dodge Ram 2500 (1994), Case IH 5140 tractors, and Case 721B wheel loaders.
In stock for immediate dispatch.
The Holset WH1C is a classic, highly reliable turbocharger designed specifically for the Cummins 6BTAA 5.9L 12-valve diesel engine, famously used in early to mid-1990s Dodge Ram trucks. It is often considered the direct predecessor to the renowned HX35W, sharing many performance characteristics but distinguished by its V-Band compressor outlet. Its internal wastegate design provides effective boost control, making it a simple, robust, and cost-effective solution for engine rebuilds.
Our aftermarket WH1C turbo is built to embody the Cummins principles of durability and performance. It is engineered as a direct-fit replacement, ensuring a straightforward installation. For owners of classic 12-valve Cummins engines, this turbo is the ideal choice to restore original power and maintain the engine’s legendary longevity without the complexity or cost of modern VGT turbos. It is a trusted component for both daily-driven trucks and hard-working industrial equipment.
| Specification | Value |
|---|---|
| Product Type | Turbocharger |
| Turbo Type | Holset WH1C (Pneumatic Wastegate) |
| Compressor Wheel Material | Premium Aluminum Alloy |
| Turbine Wheel Material | K18 High-Nickel Alloy |
| Bearing Type | Full-Floating Journal Bearing |
| Cooling Method | Oil Cooled Only |
| Balance Standard | VSR Dynamic Balanced (Up to 120,000 RPM) |
| Max Boost Pressure | 2.4 bar |
| Housing Material | Durable Ductile Iron (Turbine) |
| OEM Reference | 3530996 |
| Cross Reference | 3802476, 3535451, 3530995, J919115 |
| Typical Applications | Dodge Ram 2500, Case IH 5140, Case 721B, Komatsu PC200-5 |
| Application Category | LCV Pickups, Agricultural & Construction Machinery |
| Engine Model | Application Field | Typical Equipment Brands & Models |
|---|---|---|
| 6BTAA 5.9L | On-Highway Trucking | Dodge Ram 2500/3500 (1994-1995), Ford Trucks, DAF Trucks |
| 6BT 5.9L | Industrial | Generators, Wood Chippers, various off-highway equipment |
| 6BTA 5.9L | Marine | Marine propulsion and auxiliary engines |
| 6BTAA 5.9L | Agriculture | Case IH tractors and other agricultural machinery |
Important: All turbocharger orders require OEM number verification to ensure perfect fitment. Please provide your current part number when requesting a quote to guarantee compatibility.
Complete Service Solutions: As your strategic sourcing partner, we also supply comprehensive repair kits for the WH1C turbo, including:
Contact our technical team for component-level solutions.
Ruich Value supplies a dedicated range of Cummins turbochargers, from robust fixed-geometry models like the WH1C and HX35W to advanced VGT units. Our coverage includes turbos for the 6BT/ISB, 6CT/ISC, N14, and ISX engine series. For a complete cross-reference, please request our full turbocharger catalog.
| Engine Series | Common Turbo Models | Typical Applications |
|---|---|---|
| B Series (4BT, 6BT, ISB, QSB) | H1C, WH1C, HX35W, HY35W, HE221W, HE351CW | Light/Medium-Duty Trucks, Vans, Industrial, Marine, Agriculture |
| C Series (6CT, ISC, ISL, QSL) | H1E, HX40W, HE431VE | Medium/Heavy-Duty Trucks, Buses, Construction, Industrial |
| L, M, N Series (L10, M11, N14, NT855) | HT3B, HT60, HX50, ST50, T46, BHT3B, S300 | Heavy-Duty On-Highway Trucks, Industrial, Marine |
| ISX / QSX Series | HX55, HE600WG/HX60W, HE551V, HE451VE, HE400VG, HX82 | Heavy-Duty On-Highway Trucks (Class 8) |
| K, QSK, QST Series (K19, K38, QSK, QST) | HC5A, HX80, HX82, HE800FG | Mining, Power Generation, Marine, Rail (High-Horsepower) |
| ISF Series (ISF2.8, ISF3.8) | HE211W, HE221W | Light Trucks, Pickups, Vans, Construction Machinery |
A1: Symptom: Low boost pressure and excessive exhaust smoke under load. Diagnosis: In 6BTAA engines used in agricultural tractors like the Case IH 5140, the wastegate diaphragm often ruptures or the flapper seizes due to carbon buildup from poor fuel quality. Solution: Our WH1C units feature reinforced wastegate actuators and precision-cast housings that resist carbon adhesion, ensuring consistent boost control even in harsh farming environments.
A2: Technical Detail: The oil feed line must be pre-filled with clean oil and the wastegate crack pressure should be verified at 18-20 PSI. Pro-Tip: When replacing a WH1C on a 1994 Dodge Ram 2500, always inspect the exhaust manifold for “shrinkage” or cracks; a leaking manifold will prevent the new 3530996 unit from spooling correctly, leading to poor engine performance.
A3: Diagnosis: Industrial 5.9L engines often run at sustained high power, causing “blade creep” in standard turbine materials. Our Solution: We utilize K18 high-nickel alloy for the turbine wheel, capable of withstanding temperatures up to 850°C. This ensures that the WH1C maintains its rotor balance and structural integrity during continuous heavy-duty cycles in loaders and tractors.
For wholesale pricing, technical questions, or to order the Cummins WH1C Turbo, please contact our expert team.
For Any Inquiries, please feel free to contact us, Our sales teams are always glad to support your business