345215 Speedometer Block Off Plug w/O-Ring Compatible with GM TH350 TH400 Automatic Transmission 1968-1981, CNC Billet Aluminum Speedo Port Delete Plug, Leak-Proof Design Replacement

★★★★★ 4.2 94 reviews

US$5.00
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Product details

Management number 231218086 Release Date 2026/06/18 List Price US$5.00 Model Number 231218086
Category
  • Perfect Compatibility: Designed for GM TH350 and TH400 automatic transmissions (1968-1981), compatible with GMC, Chevrolet, Cadillac, Buick, Oldsmobile and Pontiac models
  • Premium Material: CNC machined from T6061 billet aluminum for superior strength, corrosion resistance, and long-lasting durability
  • Reliable Leak Prevention: Includes a precision-fit O-ring that ensures a tight, leak-free seal to keep transmission fluid contained and your system performing smoothly
  • Functional & Stylish: The sleek silver finish adds a clean, professional look to your transmission setup while securely sealing unused speedometer ports
  • Easy Installation: Installs quickly without special tools—just insert and tighten for a secure fit, making it an ideal DIY solution for transmission maintenance or upgrades
ASIN B0G25R788X
Brand Etersec
Model Speedometer Block Off Plug w/ O-Ring
Item Weight 1.13 ounces
Manufacturer Etersec
Item model number GD14003207
Package Dimensions 5.24 x 4.29 x 1.57 inches
Manufacturer Part Number GD14003207

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4.2 out of 5
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