449109-0016 BTL8503 Turbocharger Core for CAT D11N & 3508

This aftermarket 449109-0016 BTL8503 turbocharger core is a replacement component for CAT D11N and CAT 3508 engine applications. It serves as a reference application for buyers verifying fitment against OEM reference numbers such as 466857-0002 and 471028-0001.

Key Specifications

• Part Number: 449109-0016
• Product Type: Turbocharger Core (CHRA)
• Turbo Model: BTL8503
• Gross Weight: 15 kg
• Application Clues: CAT D11N, CAT 3508, CAT 3508B
• Representative OEM References: 4491090016, 466857-0002, 471028-0001, 0R7039

This core is listed for Caterpillar D11N and 3508 engine applications. Buyers should verify the specific engine code and production year against these reference numbers before ordering.

Application & Compatibility

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

• Caterpillar > CAT > CAT D11N > CAT 3508
• Caterpillar > CAT > CAT GENERATOR SET INDUSTRIAL > CAT 3508B

This BTL8503 core is listed for Caterpillar D11N and 3508 engine applications, including CAT 3508B generator sets. Buyers should verify the specific engine code and production year against the supplied OEM reference numbers before ordering. Representative references include 466857-0002, 471028-0001, and 0R7039. Confirm that the turbo configuration and related hardware align with your existing installation. Technical fitment support is available to assist with verification inquiries.

Technical Notes

This BTL8503 core is a heavy-duty component for Caterpillar D11N and 3508 engine applications. The 15 kg gross weight reflects the robust construction typical of industrial turbocharger cores. Buyers should inspect the old unit for wear on the turbine and compressor wheels before transferring any hardware. Confirm that the new core aligns with the existing housing and piping configuration. Verify that gaskets, bolts, and seals are appropriate for the specific CAT 3508 engine application. Technical fitment support is available to assist with verification inquiries.

B2B Supply

LeadTurbo supports B2B buyers, repair shops, and distributors with volume pricing for the 449109-0016 BTL8503 core. Worldwide shipping is available for this 15 kg component. Technical fitment support is provided to help verify engine codes and OEM references such as 466857-0002 or 471028-0001 before ordering. This service helps confirm that the replacement application matches your specific CAT D11N or 3508 installation.

For B2B stock planning, note that this 15 kg core requires careful packaging to prevent transit damage. When verifying fitment for CAT D11N or 3508B applications, cross-check your existing nameplate against the 16 available OEM reference numbers, including 449109-0016 and 466857-0002. LeadTurbo provides technical fitment support to help confirm that the BTL8503 core matches your specific engine configuration before shipment. Volume pricing is available for distributors and fleet parts buyers, with worldwide shipping options to support global repair operations. Always verify the production year and related hardware compatibility to ensure the replacement application aligns with your installation requirements.