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Allison 1000 Front Pump Bushing, Duramax | 2001-2019

Merchant Automotive

$29.23
SKU:
29536703
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Allison 1000 Front Pump Bushing, Duramax | 2001-2019

This genuine Allison 29536703 front pump bushing, which GM calls the fluid pump rotor bushing, is for the Allison 1000 transmission behind the 6.6L Duramax LB7, LLY, LBZ, LMM, LML and L5P. The torque converter hub rides on this bushing, so always check it when replacing a converter. A worn front pump bushing lets the converter hub wobble, which wears out the front pump seal and leads to leaks at the front of the transmission.

Key Features

  • Genuine Allison part 29536703
  • Front pump (fluid pump rotor) bushing
  • Supports the torque converter hub
  • Fits the Allison 1000 (5-speed and 6-speed) through 2019
  • Sold individually; one required per transmission

Benefits

A new converter on a worn bushing can chew up the front pump seal and hub surface quickly. Replacing the bushing during a converter swap or front reseal gives the converter hub a tight, true surface to ride on, so the new front seal lasts. Replace if worn or damaged. Commonly replaced at the same time: Allison Front Pump Seal | 2001 - 2019.

Frequently Asked Questions

Should I replace this when I replace my torque converter?
Yes. The converter rides on this bushing, so always check it, and replace it if it's worn, when installing a converter.

Is it included in any kits?
Yes. It's included in the Allison 1000 Converter Housing Reseal Kit, Duramax | 2001 - 2019, the Allison 5 Speed Bearing Kit | 2001 - 2005 and the Allison 6 Speed Bearing Kit, LBZ, LMM, LML, L5P | 2006 - 2019.

Will this fit the 10-speed?
No. This bushing is for the Allison 1000 through 2019. 2020 and newer trucks with the 10L1000 10-speed are not covered.

Fitment

Fits the Allison 1000 transmission in 2001-2019 Chevrolet Silverado and GMC Sierra 2500HD and 3500/3500HD with the 6.6L Duramax LB7, LLY, LBZ, LMM, LML or L5P. One required per transmission.

What's Included

  • (1) Genuine Allison front pump bushing, 29536703

For warranty information or to submit a claim, see our Warranty Form.

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