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4N6860 TW4B91 Turbocharger Core for CAT 3304 Replacement
Aftermarket 4N6860 TW4B91 turbo core for CAT 3304 applications. Verify part number, engine code, and OEM references 0R5888 or 408077-0102 before ordering.
Orders without stock ship approximately 60 days after ordering. Estimated ship date if ordered today: .
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Standard shipping for one packed item (CAD)
| Canada | CA$ 158.98 |
|---|
Orders without stock ship approximately 60 days after ordering. Estimated ship date if ordered today: .
Standard rates exclude duties, taxes and remote-area, residential or special-packaging charges. Sales confirms the total before payment.
Shipping zones and full policyThis aftermarket 4N6860 TW4B91 turbocharger core is a replacement application for Caterpillar CAT 3304 engines in earth-moving equipment. Verify part number, engine code, and OEM reference numbers such as 0R5888 or 408077-0102 before ordering to confirm fitment.
Key Specifications
- Part Number: 4N6860
- Product Type: Turbocharger Core (CHRA)
- Turbo Model: TW4B91
- Application Clues: Caterpillar CAT 3304, CAT 3304T, CAT 120G, CAT 515, CAT D4E
- Packing Dimensions: 18 x 18 x 21 cm
- Gross Weight: 4 kg
- Representative OEM References: 0R5888, 408077-0102, 4N4780
- Image Availability: High-resolution studio photography showing compressor and turbine wheel geometry
This core assembly includes the central bearing housing, compressor wheel, and turbine wheel. The visible features include a compressor side flange with a square opening and a turbine side flange with a three-hole mounting pattern. These physical details help buyers verify the unit against their existing equipment before ordering.
Application & Compatibility
Source application path clues for buyer verification. These are source category/application paths, not confirmed fitment claims:
- Caterpillar > CAT > CAT EARTH MOVING > CAT 3304
- Caterpillar > CAT > CAT 120G > CAT 3304T 7000CC 4L
- Caterpillar > CAT > CAT 515 > CAT 3304 4L7000CC
- Caterpillar > CAT > CAT D4E > CAT 3304 7000CC 4L
- Caterpillar > CAT > CAT EARTH MOVING > 3304
- Caterpillar > CAT > CAT EARTH MOVING
This core is listed for Caterpillar CAT 3304 and CAT 3304T engines in earth-moving equipment. Application clues include CAT 120G, CAT 515, and CAT D4E models. Buyers should verify the part number 4N6860, turbo model TW4B91, and OEM reference numbers such as 0R5888 or 408077-0102 against their existing unit. Confirm the engine code and production year with your technical team before ordering to ensure the correct replacement application.
Technical Notes
The TW4B91 core assembly features a central bearing housing with visible radial cooling fins on the turbine side. The compressor wheel includes multiple curved blades with a blue marking on one blade, while the turbine wheel displays curved blade geometry. The compressor side flange has a square central opening with two threaded holes, and the turbine side flange uses a three-hole mounting pattern. Buyers should compare these visible housing and flange details against their existing unit to verify the correct replacement application for CAT 3304 engines.
B2B Supply
LeadTurbo supports B2B buyers, repair shops, and distributors with volume pricing and worldwide shipping for the 4N6860 TW4B91 core. Technical fitment support is available to help verify part number, engine code, and OEM reference numbers such as 0R5888 or 408077-0102 before ordering. Inquire with your specific application details to confirm the correct replacement application for Caterpillar CAT 3304 or CAT 3304T engines.
Product FAQ
CAT and other product, brand and model names are the property of their respective owners and are used for reference and application-lookup only. LeadTurbo is not affiliated with or endorsed by CAT.
Compatibility Verify part number 4N6860, engine code (e.g., CAT 3304, 3304T), vehicle application, and OEM reference numbers such as 0R5888 or 408077-0102 before ordering. Confirm turbo configuration and production year with your technical team.
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Frequently Asked Questions
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Complete Turbo Units
Complete turbo units designed for rigorous heavy-duty use where OEM units may fall short.
CHRA / Core Assemblies
Brand-new compatible CHRA cores — like-new performance at a fraction of replacement cost.
Turbine Wheels & Shafts
Precision-balanced turbine shafts engineered from inside out for superior durability.
Turbine Housings
Silicon-molybdenum (Si-Mo) nodular cast iron — engineered for extreme heat resistance.
Compressor Housings
OEM-matched geometry and surface finish — advanced casting and machining for perfect fitment.
Bearing Housings
Rock-solid platform engineered for high-output rebuilds — the foundation for performance.
Compressor Wheels
Aluminum, stainless steel, or titanium alloys — precision machined for superior responsiveness.
