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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
Mack
Mack F/R/RD/U Series
(3 ¹⁄₂" Wide Springs w/ Rubber Insulator)
Front Suspensions
Key
No.
Part
Number Description
No.
Req.
OEM
Reference Remarks
✔✔ 1 327-342 Spring Pin; 1 ¹⁄₄"OD x 6 ¹⁄₄"Lg x ³⁄₄" c/e 2 44QK173B
327-343 Spring Pin; 1 ¹⁄₄"OD x 5 ¹⁄₈"Lg x 2 ¹⁄₂" c/c 2 44QK175A F Model Only
✔✔ ● 2 334-1650 Bolt; ⁷⁄₁₆"-14 x 1 ³⁄₈"Lg 2 43RU1483B
3 RNI-BM Bushing; 1 ¹⁄₄"ID x 1 ¹⁄₂"OD x 3 ¹⁄₂"Lg 2 10QK229P1
MB-1 Bushing; 1 ¹⁄₄"ID x 1 ¹⁄₂"OD x 3 ³⁄₁₆"Lg 2 w/Grease Grooves
4 MP-56 Pad, Bearing; Upper Insulator 2 9QK256
5 MP-57 Pad, Bearing; Lower Insulator 2 9QK257
✔✔ ● 6 325-111 Insulator 2 10QK332A
7 361-214 Kit, U-Bolt; Square Bend, Grade 8 4 7QK3150P12 ³⁄₄" x 3 ⁹⁄₁₆" x 12 ¹⁄₈" S
✔✔ 8 M66886 Shock Absorber 2 14QK143
M65442 Shock Absorber 2 14QK373
✔ M65411 Shock Absorber 2 14QK366
M65428 Shock Absorber 2 14QK2110
See Shocks Shock Absorber 2 Various Consult Shock Catalog for Model Specific
Applications
9 Spring Assembly Assembly, Spring 2 See Leaf Spring Web Catalog for Details