The TD‑3350400FM is a firewall-mount dipstick built for GM TH350 and TH400 transmissions. It features a flexible stainless steel braided housing lined with PTFE to resist heat and avoid kinks. The dipstick rod is molded with factory fluid level markings, ensuring accurate readings. The billet aluminum handle has a push‑in double O‑ring seal for leak-free performance and durability. A funnel adapter and stainless mounting bracket are included for easy filling and secure firewall installation.

• Application: GM TH350 & TH400 automatic transmissions
• Mount style: Firewall mounted via stainless bracket
• Housing: stainless braided with internal PTFE liner
• Dipstick rod: Molded with fluid-level markings
• Handle: Billet aluminum with double O‑ring seal
• Includes: Funnel adapter and mounting hardware