Click image to zoom
451686-5008S BTG7508 Turbocharger Core for CAT 3406E 550HP
451686-5008S BTG7508 core for CAT 3406E 550HP. Aftermarket replacement application. Verify part number, engine code, and OEM reference numbers before ordering.
Orders without stock ship approximately 60 days after ordering. Estimated ship date if ordered today: .
Show more cross references
1323650 132-3650 1964155 196-4155 4516860008 451686-0008 451686-8 712371-0008 712371-8 FOR 471120-0001 FOR 471120-1 FOR 471120-5001 FOR 471120-5001SSubtotal: US$ 328.00
Send an InquiryThis 451686-5008S BTG7508 turbocharger core is an aftermarket replacement assembly designed for Caterpillar CAT 3406E 550HP truck applications. It serves as a reference application for buyers verifying fitment against OEM reference numbers such as 1323650 and 1964155 before ordering.
Key Specifications
- Part Number: 451686-5008S
- Product Type: Turbocharger Core (CHRA)
- Turbo Model: BTG7508
- Application Clue: Caterpillar CAT 3406E 550HP
- Packing Dimensions: 26 x 26 x 26 cm
- Gross Weight: 13 kg
- OEM Reference Numbers: 1323650, 1964155, 451686-0008, 712371-0008
- Image Availability: High-resolution studio photography showing turbine/compressor wheels and bearing housing
Application & Compatibility
Source application path clues for buyer verification. These are source category/application paths, not confirmed fitment claims:
- Caterpillar > CAT > CAT TRUCK > CAT 3406E 550HP
This BTG7508 core is listed for Caterpillar CAT 3406E 550HP truck applications. Buyers should verify the part number 451686-5008S against their specific vehicle records and OEM reference numbers such as 1323650 or 1964155 before ordering. The application path Caterpillar > CAT > CAT TRUCK > CAT 3406E 550HP serves as a reference clue for fitment confirmation. Always cross-check engine code, production year, and turbo configuration to ensure the replacement core matches your specific unit.
Technical Notes
The BTG7508 core assembly features a central rotating shaft with a hexagonal nut, paired with curved turbine and compressor wheels. The central bearing housing includes a silver-colored mounting bracket with two threaded holes for secure installation. Visible machined metal surfaces on the shaft and housings indicate precision manufacturing. Buyers should inspect the wastegate flapper valve seating for debris or damage to ensure stable operation. Additionally, verify the bypass port diameter in the turbine housing against CAT 3406E 550HP specifications to confirm correct airflow. Cross-check the compressor cover inlet bellmouth design against your specific unit to ensure proper fitment.
B2B Supply
LeadTurbo supports B2B buyers, repair shops, and fleet parts distributors with volume pricing for the 451686-5008S BTG7508 core. Technical fitment support is available to help verify part numbers, engine codes, and OEM reference numbers such as 1323650 or 1964155 before ordering. Worldwide shipping is available for this 13 kg unit packed in a 26x26x26 cm carton. Contact our team for bulk inquiries or to confirm application details for your Caterpillar CAT 3406E 550HP fleet.
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 451686-5008S, CAT 3406E 550HP engine application, and OEM reference numbers such as 1323650 or 1964155 before ordering. Confirm turbo configuration and production year for fitment accuracy.
Customer Reviews
Share installation notes, fitment feedback, or service experience for this product.
No customer reviews have been added for this product yet.
Related technical guides
For More Information
Frequently Asked Questions
What types of turbocharger spare parts do you offer? Warranty, shipping, quality and more.
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.
