Boost your Mack truck or Hendrickson suspension's performance with the Fortpro Transmission Mount Bolt, expertly designed for the Mack R/RD/CH series and Hendrickson Primaax EX, Firemaax EX series. Replacing parts 21867-036 and 21867-043, this high-strength steel bolt ensures a perfect fit and unmatched durability. Ideal for demanding conditions, it's the solution for a stable, vibration-free drive. Upgrade now for effortless installation and a smoother, more reliable ride!
Fortpro is a trusted leader in the development and manufacturing of premium-quality truck parts designed to meet the demands of semi-trucks and heavy-duty trucks. Renowned for innovation, durability, and reliability, Fortpro products are engineered to enhance performance, safety, and efficiency across a wide range of trucking applications.
Whether you're seeking OEM replacement parts or upgrades, Fortpro provides a diverse selection of components backed by a global reputation for quality and innovation. Trust Fortpro for the parts you need to keep your vehicles on the road longer and stronger.
Basic Part Information5 attributes
| Product Line | Chassis & suspension |
|---|---|
| Category Name | Cabin & Engine Mounts & Bushings |
| Part Type | Bolt |
| Alternate Part Name | Screw Hex Head, Transmission Mount Bolt, Screw |
| OEM Part Number | 21867036 |
Application/Fitment Attributes1 attribute
| Application Type | Heavy Duty Trucks, Semi-Trucks |
|---|
Dimensional/Physical Attributes7 attributes
| Material | Steel |
|---|---|
| Across the Flats (AF) | 1-3/32 in. |
| Bolt Head Style | Hex Head |
| Bolt Thread Length | 2-1/4 in. |
| Head Thickness | 1/2 in. |
| Overall Length | 6-1/2 in. |
| Thread Size | 3/4-16 UNF |
Packaging / Logistics Attributes:4 attributes
| Package Length | 8.00 in. |
|---|---|
| Package Width | 5.00 in. |
| Package Height | 3.00 in. |
| Net Weight | 0.70 lb. |
Intended Application
- Compatible with Hendrickson PRIMAAX EX and FIREMAAX EX suspension systems in heavy-duty truck applications. Also applicable to Peterbilt Air Leaf suspension configurations, as well as Rear Engine Mount Kit applications, depending on the specific vehicle and suspension system configuration.
- Always compare with your OEM part number prior to purchase to confirm full compatibility.
- Automann: M5162
- Euclid: E-15160
- Hendrickson: 21867-036, 21867-043
- Mack: 1AX201
- PAI: QSC-4600
