1N3999 Turbocharger Core Replacement for Caterpillar 3408 Engine
Aftermarket 1N3999 turbocharger core for Caterpillar 3408 applications. Reference OE numbers 0R5857 and 408742-9018. Verify engine and vehicle fitment before ordering.
Orders without stock ship approximately 60 days after ordering. Estimated ship date if ordered today: .
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0R5857 408742-9018This aftermarket 1N3999 turbocharger core is a replacement component for Caterpillar 3408 engine applications, including the Caterpillar 769C off-highway truck. Verify fitment against OEM reference numbers 0R5857 and 408742-9018 before ordering to ensure correct application for your specific fleet or repair needs.
Key Specifications
- Part Number: 1N3999
- Product Type: Turbocharger Core
- Application Clue: Caterpillar 3408 engine
- Vehicle Reference: Caterpillar 769C Off-Highway Truck
- OEM Reference Numbers: 0R5857, 408742-9018
- Packing: Not specified
- Gross Weight: Not specified
- Image Availability: Not available
Verify these reference numbers against your specific unit before ordering.
Application & Compatibility
Source application path clues for buyer verification. These are source category/application paths, not confirmed fitment claims:
- Caterpillar > Caterpillar 769 > Caterpillar 769C Off-Highway Truck > Caterpillar 3408
This core is listed for Caterpillar 3408 engine applications, specifically referencing the Caterpillar 769C off-highway truck. Use OEM reference numbers 0R5857 and 408742-9018 as verification clues to confirm the correct unit for your specific repair. Verify the engine code, production year, and existing turbo configuration against these references before ordering. This ensures the replacement core matches your application requirements without assuming universal fitment.
Technical Notes
The 1N3999 core is a critical rotating assembly for Caterpillar 3408 engines, specifically referenced for Caterpillar 769C off-highway trucks. Buyers should verify the V-band clamp size and profile to ensure proper sealing and alignment with existing housings. Additionally, confirm the O-ring material compatibility with your specific oil and coolant fluids, checking size and hardness against Caterpillar 3408 service manual requirements. For the compressor wheel nut, verify the correct tightening torque and thread direction to prevent damage during installation. These verification steps help ensure the replacement core matches your specific application requirements.
B2B Supply
LeadTurbo supports B2B buyers, repair shops, and fleet parts distributors with volume pricing and worldwide shipping for the 1N3999 core. Our team provides technical fitment support to help verify part number 1N3999, engine code 3408, and OEM reference numbers 0R5857 or 408742-9018 before ordering. This service helps confirm the correct replacement application for Caterpillar 769C off-highway trucks. Contact us for bulk inquiries or to verify specific unit configurations for your repair needs.
Product FAQ
Caterpillar 769 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 Caterpillar 769.
Compatibility Verify part number 1N3999, engine code 3408, vehicle application Caterpillar 769C, and OEM reference numbers 0R5857 or 408742-9018 before ordering. Confirm turbo configuration and production year for accurate fitment.
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