Heavy-Duty Shock Absorber- SD 65416 / 557022- OE Replacement for Hendrickson Steel Dog Suspension
The SD 65416 / 557022 Shock Absorber is built for demanding vocational and highway use with Hendrickson Steel Dog suspension systems. Engineered to OE specifications, this gas-charged shock provides superior damping performance, reducing suspension fatigue, frame stress, and axle bounce in heavy-load conditions.
Manufactured with high-strength steel and reinforced loop mounts, it offers long-lasting durability and excellent ride control over uneven terrain. This is a direct-fit replacement designed for fleets and owner-operators seeking reliability and minimal downtime.
Specifications:
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Part Numbers: SD 65416 / 557022
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Style: Gas-Charged Twin-Tube
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Extended Length: Approx. 24.3 in
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Compressed Length: Approx. 15.0 in
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Stroke: Approx. 9.3 in
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Mounting Type:
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Upper: Loop
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Lower: Loop
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Material: Heavy-Gauge Welded Steel Body
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Finish: Black Powder-Coated
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Weight: Approx. 8-9 lbs
Features:
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Designed for Hendrickson Steel Dog walking beam suspensions
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Gas-pressurized for fade-resistant, consistent performance
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Reinforced welds and eyelets to withstand vocational abuse
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Helps reduce wear on suspension components and tires
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Easy bolt-on installation with no modifications required
Vehicle Applications:
| Suspension Make | Suspension Type | Common Vehicle Brands | Notes |
|---|---|---|---|
| Hendrickson | Steel Dog (Walking Beam) | Mack, Kenworth, Peterbilt | Off-road & vocational use |
| Hendrickson | HaulMaax / HN / RT Series* | International, Freightliner | Depending on specs |
*Shock may be compatible with other Hendrickson variants-verify dimensions and mounting configuration.
Note: Inspect both shock and suspension system to confirm compatibility. Replace in pairs for balanced ride control.
Free shipping on orders over $1,500.00