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

Filter Extension for B&M Hi-Tek TH400 Pans

PART# 20271

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$40.01   Suggested Retail
$32.41   Holleydays Price
Free Shipping on orders over $100*
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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


Emission Code5
Filter IncludedYes
Lines IncludedNo
Product TypeAutomatic Transmission Filter
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.

In The Box

In The Box

  • Filter Extension and o-ring seals

Tech Resources

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



    *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.

     X  Holleydays 2020 20% off and DD
     X  Holleydays 2020 20% off and DD