Allison Transmission Damper Assembly Part 29560358

Code: 29560358-R

Allison 29560358 Damper Assembly (Reman, Late 42 Tooth Spline)

The Allison 29560358 Damper Assembly is a remanufactured clutch lockup damper designed for demanding Allison transmission applications. This unit features a hard damper configuration with a late style 42 tooth spline and is engineered to manage torsional vibration during lockup operation. Image is for representation purposes only.

The image is for representational purposes only.

Condition: Reman

Core Deposit

This item carries an additional core charge of $300 that is fully refundable once core is returned. Core charge will be billed separately by one of our staff when we call go to go over details of your order. See our policies page for core criteria.

Allison Transmission Series:

  • 3000
  • 3500
  • B400

This damper assembly is commonly used in higher-load applications where durability and proper lockup performance are critical.

Please review our Core Policy

$300.00

In Stock
300300
Will you be returning a core?
*
Please see Core Return Policy (above)
Select an option
Yes (Refunded once core is received)
$300.00
No
$300.00
Addons Price: $0.00
Total Price: $300.00

Description

Product Overview

Manufacturer: Allison Transmission

Allison Part Number: 29560358

Condition: Remanufactured

Damper Type: Clutch, lockup, hard

Spline Type: Late style, 42 tooth spline

This remanufactured damper assembly is restored to meet functional performance requirements and provides a cost-effective alternative to new OEM components.

Compatible Applications

The Allison 29560358 damper assembly is used in select Allison transmission applications requiring a late style 42 tooth spline lockup damper. Always verify transmission model, spline count, and damper type before ordering to ensure correct fitment.

What This Damper Assembly Does

The lockup damper assembly plays a key role in transmission performance by:

  • Absorbing torsional vibration during torque converter clutch engagement
  • Supporting smooth lockup operation under load
  • Reducing stress on internal transmission and driveline components
  • Helping maintain consistent power transfer during operation

A damper that is worn or incorrectly matched can contribute to vibration, harsh engagement, or premature internal wear.

Remanufactured Damper Assembly Benefits

Choosing a remanufactured Allison damper assembly can help:

  • Reduce overall repair and maintenance costs
  • Extend transmission service life when properly installed
  • Maintain OEM-style performance in lockup operation

Ordering Information

Questions? Call Reaction Force today at (503) 862-6322.

Frequently Asked Questions (FAQs)

What is the Allison 29560358 damper assembly used for?

The Allison 29560358 is a clutch lockup damper assembly used in select Allison transmissions that require a hard damper with a late style 42 tooth spline.

Is this a hard or soft damper?

This part is a hard damper designed for lockup clutch operation in applications that require higher load handling.

Is Allison 29560358 a new or remanufactured part?

This Allison 29560358 damper assembly is a remanufactured unit.

What spline type does this damper use?

This damper uses a late style 42 tooth spline. Spline count should always be confirmed before ordering.

What happens if the wrong damper assembly is installed?

Installing an incorrect damper can lead to vibration, harsh engagement, lockup issues, and accelerated transmission wear.

How do I confirm this part is correct for my transmission?

Verify your transmission model, damper type, and spline count before ordering. If you have questions, call Reaction Force at (503) 862-6322.

Additional information

Weight 13 lbs
Dimensions 12 × 12 × 2 in

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