The Eaton Fuller K-3971 is a Heat Exchanger Kit designed for manual transmissions, functioning as a transmission oil cooler to regulate fluid temperature under heavy-duty operating conditions. Also cataloged as HFK-3971, this kit cross-references to 3088-K3971, 3088K3971, FUL K3971, FULK3971, and ZBFK3971. It falls under VMRS category 026013016 (Transmission Radiators, Coolers, and Related Components) and is sold as an individual unit. If you need help confirming this is the correct cooler kit for your transmission, call Pro Gear and Transmission directly.
Features
Genuine Eaton Fuller transmission oil cooler / heat exchanger kit
Designed for manual transmission applications
Part number K-3971, also cataloged as HFK-3971
Cross-references: 3088-K3971, 3088K3971, FUL K3971, FULK3971, ZBFK3971
Sold as a complete kit, unit of measure: each
Sold by Pro Gear and Transmission
Tech Specs
- Part Number: K-3971 or K3971
- Alternate Catalog Number: HFK-3971
- Part Type: Heat Exchanger Kit (Transmission Oil Cooler)
- Application: Manual Transmission
- Cross References: 3088-K3971, 3088K3971, FUL K3971, FULK3971, ZBFK3971
- VMRS Category: 026013016
- Unit of Measure: Each
