When the sun gear shaft bushing is worn, the shaft loses its support and begins to move in ways it should not, creating noise, erratic shift feel, and accelerated damage to parts around it. This is a single replacement bushing for the sun gear shaft position in 4L80E and 4L85E automatic transmission units, 1997 and up, and it is defined by its 4 inner diameter grooves.
The groove count is not a minor detail. Those 4 channels on the inner bore allow transmission fluid to distribute across the contact surface while the shaft turns, keeping metal-to-metal wear in check during normal operation. A bushing without the correct groove pattern in this position will not behave the same way, so confirming that count against the stock piece before installation matters.
This listing is for one bushing. There are no seals, gaskets, clutch packs, steels, Automatic Transmission Filters, or other components included. If you are rebuilding the full unit, this piece addresses one specific position and you will need to source remaining components separately.
At REMCO, individual pieces like this one are pulled and verified against their part record before they go out. The operation has worked this way since 1991, handling automatic transmission parts and nothing else.
Before placing the order, confirm the transmission code on your unit is 4L80E or 4L85E, that the application year is 1997 or later, and that the bushing being replaced shows 4 inner diameter grooves. Item weight is 1 lb.
- A worn sun gear shaft bushing causes play and misalignment inside the unit; replacing it with a correctly spec'd piece restores proper shaft support and helps avoid premature wear on surrounding components.
- This listing covers one bushing only. It does not include any seals, gaskets, clutch discs, steels, Automatic Transmission Filters, bands, or rebuild kits. Verify this is the specific piece you need before ordering.
- The 4 inner diameter grooves on this bushing are a detail that matters at assembly: they allow fluid to move across the surface and maintain lubrication between the shaft and bushing bore during operation.
- Contents: 1 bushing, sun gear shaft application, 4 ID grooves. Item weight: 1 lb. Pulled and checked individually against its part record before shipment.
- Before ordering, confirm your transmission code is 4L80E or 4L85E and that your unit falls within the 1997-and-up application range. Verify the groove count on the stock piece matches 4 grooves.
What's in the box
- 1 x Bushing, 4L80E Sun Gear Shaft [With 4 ID Grooves]
Compatible vehicles
- Fits Silverado 2500 [99-04], Sierra 2500 [99-04], Silverado 2500 HD [01-07], Sierra 2500 HD [01-07], Silverado 3500 [01-07], Sierra 3500 [01-07], Silverado 1500 HD [01-07], Sierra 1500 HD [01-07], Suburban 2500 [00-07], Yukon XL 2500 [00-07], Yukon XL 1500 [01-03], Suburban 1500 [01-03], Avalanche 2500 [02-06], Express 2500 [97-09], Express 3500 [97-09], Savana 2500 [97-09], Savana 3500 [97-09], C1500 Suburban [97-99], C2500 Suburban [97-99], K1500 Suburban [97-99], K2500 Suburban [97-99], Yukon [97-01], H1 [97-06].
| bushing sun gear shaft (with 4 id grooves) 1997-up 4l80e Automatic transmission |
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