Product Description
FP47011 - MANUAL SLACK ADJUSTER - 10 SPLINE, 5.5", 6.5"
PART NUMBER(S):
Fleet Products: FP47011 | OE: KN47011, R822001, 277959 | Automann: E1581HD
DESCRIPTION:
Model: Manual Slack Adjuster
Vehicles: Freightliner M2 Series (2003–2021), Western Star 4700 (2012–2018), International ProStar, Mack Granite/Pinnacle
• Spline Count: 10 (1.5" camshaft diameter)
• Arm Lengths: 5.5", 6.5" center-to-center
• Mounting Style: Straight arm, 0° offset
• Mounting Hole Center Distance: 5.5", 6.5"
• Clevis Pin Size: 1/2"
• Brake Type: Drum
• Material: Forged steel with corrosion-resistant plating
• Lubrication: Optional Zerk fitting
• Torque Rating: Up to 26,000 in-lb input torque
• Body Angle: 0°
• Bushing Number: Haldex 45210129
• Performance: OEM-grade manual adjuster, user-serviceable
• System Compatibility: Suited for various drive/trailer axles requiring 10-spline arms
Applications:
Used across multiple commercial heavy-duty platforms, including steer, drive, and trailer axles, where a 10-spline, straight-arm adjuster with 5.5" or 6.5" length is required. This adjuster supports efficient manual brake adjustment and long-term reliability in harsh fleet environments.
CROSS-REFERENCE(S):
FP47011, KN47011, E1581HD, R822001, R824001, 277959, 278321, 278326, 110831R, 1685259C1, E-940, 82074, 25QD336P56, 6814200438, 134008, A7044, 2020, 4919, 4924, 4939, 745-278321, 5-201, M457, L845, CA1201, 5994882, 278008, 278014, 278016, 278030, 27832IN, BX278326, S9523, 2020H, 5K-4935, GTPKN-47011
A cross-reference listing means this part may be a compatible replacement for these part numbers based on OEM or distributor data.
IMPORTANT INSTALLATION NOTES:
✔ Align arm within 3° of proper positioning during install
✔ Use thread-lock compound on splines to avoid loosening
✔ Torque to OEM-recommended values (up to 26,000 in-lb)
✔ Grease through Zerk fitting if not sealed-for-life
✔ Inspect every 100,000 miles for clevis/bushing wear
✔ Do not reuse damaged pins or clevis components
SOLD AS NEW
Brand new and ready to install, with OEM Grade Reliability
SUPPORT & ORDERING
For technical support, installation guidance, or to confirm fitment, Call: 1-877-243-0442 | Email: sales@fleet-products.com
WHY CHOOSE FLEET PRODUCTS | KBR - HEAVY DUTY TRUCK & TRAILER PARTS?
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