B&M 20271 Hi-Tek Filter Extension for TH400 Pans 20280 & 20289

For B&M Hi-Tek Deep Pans PN 20280 and 20289

PART# 20271

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This B&M Hi-Tek filter extension is for our deep transmission pan part numbers 20280 and 20289. The extension lowers the filter to the bottom of the TH400 pan for improved fluid pick up on deeper than stock transmission oil pans.


  • For Deep Aluminum or Steel Pans
  • Replacement Filter Extension
  • Improved Fluid Pick-up
  • Sold Individually
  • B&M Quality

Product Attributes

Emission Code5
Product TypeTransmission Oil Filter Extensions
California Proposition 65 Chemical NameChromium (hexavalent compounds)
California Proposition 65 RequiredYes
Part Number20271



This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.


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    *Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages.

    Some parts are not legal for use in California or other states with similar regulations.