The Meritor R803047 is a genuine OEM automatic slack adjuster (ASA) designed for air brake systems on heavy-duty trucks. It features a 1.50 in. slack spline diameter with a 28-spline count and a 5.50 in. arm length. This is a Type 2, unclevised unit with a red piston, compatible with both drum and disc brake applications. It uses stroke-sensing technology and is rated for more than 45 inch-pounds of maximum torque. Chamber size compatibility is 16. The related clevis kit is R810009. Call us to confirm proper fit for your application.
Interchanges:
- 12376588
- 3947645
- 8235R803047
- ATIR803047
- R803047R0K
- R803047RI
- TDAR803047
- TWDR803047
Features
Slack spline diameter: 1.50 in.
28-spline count
Arm length: 5.50 in.
Type 2, unclevised configuration with red piston
Stroke-sensing type; rated for more than 45 inch-pounds maximum torque
Compatible with drum and disc brake applications; chamber size 16
Tech Specs
- Slack Spline Diameter: 1.50 in.
- Slack Spline Count: 28
- Arm Length: 5.50 in.
- Type: Type 2
- Clevis Type: Unclevised
- Piston: Red Piston
- Sensing Type: Stroke
- Maximum Torque Rating: More than 45 inch-pounds
- Chamber Size: 16
- Brake Compatibility: Drum and disc brake
- Related Clevis Kit: R810009
- VMRS Code: 013-017-005
