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4037686 Turbocharger Core for Cummins 6CTA 8.3L | Replacement Application

Aftermarket replacement core for FOR 4037686, designed for Cummins 6CTA 8.3L engines in Freightliner trucks. 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: .

Type Core On backorder — orders accepted Part # FOR 4037686
Cross Reference FOR 4036950
Show more cross references FOR 4036950 FOR 4037687 FOR 4037688 FOR 4037690 FOR 4037691 FOR 4089716
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12-Month Warranty Shipping to Canada only. OEM-Grade Quality

This aftermarket replacement core is designated FOR 4037686, intended for Cummins 6CTA 8.3L engines in Freightliner trucks. It serves as a replacement application for turbocharger assemblies, with associated OEM reference numbers including FOR 4036950 and FOR 4037687 for fitment verification.

Key Specifications

  • Part Number: FOR 4037686
  • Product Type: Turbocharger Core
  • Engine Application: Cummins 6CTA 8.3L
  • Representative OEM Reference Numbers: FOR 4036950, FOR 4037687, FOR 4037688, FOR 4037690, FOR 4037691, FOR 4089716
  • Packing: Not specified
  • Gross Weight: Not specified
  • Image Availability: Not available

This core is an aftermarket replacement component intended for turbocharger assemblies in Cummins 6CTA 8.3L engines. The listed OEM reference numbers serve as verification clues for buyers to confirm fitment against their specific vehicle or engine configuration. Verify the part number and engine code before ordering to ensure the correct replacement application.

Application & Compatibility

Source application path clues for buyer verification. These are source category/application paths, not confirmed fitment claims:

  • Freightliner > Freightliner trucks > Cummins 6CTA 8.3L
  • Blue Bird > All American FE > RE > RE School Bus > 6C ICS
  • Blue Bird > 8.3L CUMMINS 6C ISC ENCORE
  • Blue Bird > CUMMINS ISL
  • Freightliner > FREIGHTLINER TRUCK EURO 2 > 6CTA
  • KIA > CUMMINS ISL
  • Kenworth > 8.3L CUMMINS 6C ISC ENCORE
  • NEW-HOLLAND > CUMMINS ISL

This core is listed for Cummins 6CTA 8.3L engines in Freightliner trucks, as well as reference applications including Blue Bird school buses and Kenworth vehicles with Cummins 6C ICS or ISL engines. These application paths serve as verification clues rather than confirmed fitment. Buyers should cross-check the part number FOR 4037686 against their specific engine code, vehicle model, and production year. Additionally, verify associated OEM reference numbers such as FOR 4036950 or FOR 4037687 to ensure the correct replacement application. Technical fitment support is available to help confirm compatibility before ordering.

Technical Notes

This core is an aftermarket replacement component for turbocharger assemblies in Cummins 6CTA 8.3L engines. It is not a complete turbocharger; it is the internal rotating assembly used during rebuilds or replacements. The listed OEM reference numbers (FOR 4036950, FOR 4037687, etc.) serve as verification clues. Buyers should confirm the specific engine code and vehicle application before ordering. Technical fitment support is available to assist with part number and reference number verification.

B2B Supply

LeadTurbo supports B2B buyers, repair shops, and distributors with volume pricing for FOR 4037686 cores. Worldwide shipping is available for international orders. Technical fitment support is provided to help verify part numbers, engine codes, and OEM reference numbers before ordering. Confirm specific Incoterms and currency details during the quotation process.

Product FAQ

Representative OEM reference numbers include FOR 4036950, FOR 4037687, FOR 4037688, FOR 4037690, FOR 4037691, and FOR 4089716. Verify these against your specific application before ordering.

Standard packaging is not specified in the current data. Contact our technical support to request specific protective packaging options suitable for fragile turbocharger cores during international shipping.

The application data lists Blue Bird All American FE RE School Bus with 6C ICS engines as a reference application. Verify the exact engine code and production year against your vehicle before ordering.

Confirm the preferred Incoterms (e.g., FOB, CIF) and currency with our sales team. Volume pricing is available for B2B buyers, and worldwide shipping is supported.

Freightliner 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 Freightliner.

Compatibility Verify part number FOR 4037686, engine code Cummins 6CTA 8.3L, vehicle application, production year, and OEM reference numbers such as FOR 4036950 or FOR 4037687 before ordering. This is an aftermarket replacement application; confirm fitment with your technical team.

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