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Reference for continuing updates.
Parts Listing
SP Special Order ◆ Not Serviced by Dayton Parts Product Illustration/Photo Follows Popular Most Popular
Dana
Dana RF/RS-20/23/25/30
Trailer Air Ride Suspensions
Key
No.
Part
Number Description
No.
Req.
OEM
Reference Remarks
1 SP Hanger 1 Various Specify LH/RH, Ride Hgt.
✔ ● 2 334-1779 Kit, Service; Trailing Beam Pivot; Alignment 2 SR1JA112 Incl. Alignment Washer, Bushing, Spacers &
Hdwe.
✔✔ 334-1826 Kit, Service; Trailing Beam Pivot 2 Incl. Bushing, Spacers & Hdwe.; Reuse
Factory Flat Washers
● 3 334-1784 Washer, Alignment 4 SR1HS100
✔ 4 334-898 Washer; 2 ³⁄₈"ID x 7 ¹⁄₄"OD x ³⁄₁₆"Thk 4 SR1HS102
● 5 321-397 Bushing 2 SR1HD100-2
✔ ● 6 334-1780 Kit, Service; Alignment 2 SR1JA113
✔✔ 7 334-837 Assembly, Bolt; Pivot; 1 ¹⁄₈"-7 x 9 ³⁄₄"Lg 2 SR1JA103 Reuse Factory Flat Washers
✔✔ 8 M65465 Shock Absorber 2 SR1VJ100
✔✔ 9 334-1105 Assembly, Bolt; ³⁄₄"-10 x 3 ¹⁄₂"Lg 2 M10HM303 Shock Absorber, Upper; RF Series
334-1782 Assembly, Bolt; ³⁄₄ x 4"Lg 2 M10HM300 Shock Absorber, Upper; RS Series
334-1783 Assembly, Bolt; ³⁄₄ x 9 ¹⁄₂"Lg 2 M10HM301 Shock Absorber, Lower
✔✔ 10 S-29892 Air Spring 2 SR1VA101-1, SR1VA105
✔✔ ● 11 334-1580 Valve, Integral Dump Height Control 1 SR1PS100 w/Integral Dump Valve
✔ ● 12 334-751 Linkage Assembly; Universal; Adjustable 1 Various 3 ⁵⁄₈"-19 ⁵⁄₈" Range; Use with All Height
Control Valves
13 SP Tool, Alignment Bolt Socket AR SR1TL100 Not Shown
● 14 334-936 Tool, Bushing Installation AR Required to Properly Service Bushings
● 15 334-1918 Lubicant, Extreme High Pressure AR Recommended Tool Thread Lubricant