Meritor automatic slack adjuster Weight: 6.90 Unit Pack: 1 UPC Code: 737238548454 Brand: Meritor Genuine Marketing Group: Stroke Sensing Arm Length: 5.50 in. OE Mfg.: Meritor Slack Spline Diameter: 1.25 in. Slack Spline Count: 10 Type: Unhanded Chamber Sizes: 16 VMRS Code: 013-017-005 Clevis Thread Diameter: 0.50 in. Clevis Threads per inch: 20 Clevis Type: Straight Production Part Number: A6-3275-H-1152 Related Unclevised Number: R803101 Related Clevis Kit: R810018 Notes: Red piston. Drum brake.