Allison Internal Filter
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Factory/OEM Allison internal sump filter. Be sure to select deep-pan or shallow-pan. Do NOT substitute a shallow-pan filter when a deep-pan is installed on the transmission; otherwise the filter can fall out, causing pump failure/destroyed transmission.
Please click the "Installation Guides" link on the top menu bar to download installation instructions in PDF format.
All BT DieselWorks-manufactured products are fully-warrantied for 1 year. Products from other manufacturers may or may not have specific warranties. See individual product descriptions for details. -------- All sales are final. Returns will be given as full price in store credit, or money refund plus 40% restocking fee.