ATP Automatic Transmission Detent Cable Seal P/N:SO-37 (Pack of 5)

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$11.99
MPN: SO-37
UPC: 740993017011
Item Package Quantity: 5
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ATP Automatic Transmission Detent Cable Seal P/N:SO-37 (Pack of 5)
ATP Automatic Transmission Detent Cable Seal P/N:SO-37 (Pack of 5)
$11.99

Keep automatic transmission fluid where it belongs with the ATP Automatic Transmission Detent Cable Seal SO-37. This small but critical seal fits around the opening where the detent (kickdown) cable enters the transmission case, sealing that passage against ATF seepage. It installs as a direct-fit replacement across a wide range of GM cars and trucks — including the 1985-1993 Chevrolet Astro, 1983-1993 S10 Blazer, 1978-1987 El Camino, 1991-2005 Buick Park Avenue, 1987-1992 Cadillac Allante, and many more; see the Buyer's Guide tab for the full list of covered vehicles.

  • Exact-fit replacement: engineered to match the original seal without compromise, so it drops into the factory cable opening.
  • Fluid containment: seals around the detent cable passage to help keep automatic transmission fluid inside the case.
  • Leak repair part: if a hardened, cracked, or weeping original detent cable seal is the source of a transmission fluid leak, this replaces it.

Signs this seal may need replacing include ATF weeping or dripping near the transmission cable entry and a slowly dropping fluid level. Confirm fitment for your vehicle using the Buyer's Guide tab.

Interchange: RP43 · E6DZ7F429A · 1262476 · 25518260 · 17154 · OR76 · 760013 · 7600135 · 13581

This part cross-references / interchanges with the following part numbers:

RP43, E6DZ7F429A, 1262476, 25518260, 17154, OR76, 760013, 7600135, 13581

Frequently Asked Questions

What does the ATP SO-37 seal do?

It seals the opening where the automatic transmission detent (kickdown) cable enters the transmission case, helping keep automatic transmission fluid from leaking out at that passage.

Will this seal fit my vehicle?

The SO-37 covers 242 year/make/model applications, including many GM cars and trucks. Check the Buyer's Guide tab to confirm it fits your specific vehicle.

What are the signs this seal needs replacing?

Look for ATF weeping or dripping near the transmission cable entry point and a gradually falling fluid level. Diagnose the leak source before replacing.

What numbers does this seal interchange with?

It cross-references RP43, E6DZ7F429A, 1262476, 25518260, 17154, OR76, 760013, 7600135, and 13581.

Is this a direct-fit replacement?

Yes. ATP designs its transmission seals as exact-fit replacements, so the SO-37 is intended to drop into the factory detent cable opening on the listed applications.