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(888) 312-8812 Login SignupTechnicians use the Allison Automatic Transmission Fluid Filler Plug at the access point for adding or inspecting transmission fluid. The Allison 29531183 belongs at that service opening rather than at a drain or unrelated case closure. Keeping the correct plug at the fill point prevents confusion when several case plugs may look similar during maintenance. After the fluid check or fill is complete, the plug covers the opening until the next service is needed.
PLUG-FILL TUBE
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