TRIANGLE SUSPENSION part description

Make Model Year From Year To
Mack Model SS 40K-44K w/ bronze trunion 50" axle spread Mid-2000 Current

Notes/Description

Mack, R Spr, Lvs:10 CB; OEM# 4QK4005; SE Length: 26; LE Length: 26; SE End: HO-1-3 (1-3/4); LE End: HO-1-3 (1-3/4); Grading 3/788, 7/999

Cord Length 50-3/8"

Mid 2000 and later Macks

Cross Reference

OEM # Manufacturer
4QK4005A Mack
Mack Rear Models SS 40K to 50K with bronze trunions and 4" wide Springs 38"- 55" axle centers- Truck/Tractor Suspension

Since 1919, Triangle Suspension Systems Co.® has set the gold standard for steel leaf springs. With generations of spring shop customers going back for more than 7 decades, Triangle Suspension has made a name for itself for its use of high-quality materials that are backed by ISO-compliant manufacturing processes. Their catalog covers a wide range of applications, including leaf spring assemblies, air beams, and helper springs for light, medium, and heavy duty vehicles. They also offer spring repair components and custom-engineered spring to fill almost any niche. All their products are manufactured in-house in their DuBois, PA, manufacturing facility and distributed across the United States and beyond.

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