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Monroe 66451 Shock Absorber - Rear
Monroe Magnum Shock Absorber 66451 Overview
The Monroe Magnum Shock Absorber 66451 is designed specifically for Ford Transit models, including Transit-150, Transit-250, Transit-350, and Transit-350 HD. This suspension shock absorber provides reliable damping performance to maintain vehicle stability and control under various driving conditions.
- Compatible with Ford Transit-150, Transit-250, Transit-350, and Transit-350 HD
- Includes dust shield for enhanced durability
- Compressed length: 15.93 inches; extended length: 25.96 inches
- Travel length of 10.03 inches for effective suspension movement
- Upper and lower loop bushing & sleeve mounts for secure installation
Features and Specifications
The Monroe Magnum Shock Absorber 66451 features a dust shield to protect internal components from dirt and debris, extending the service life of the shock. It has a compressed length of 15.93 inches and an extended length of 25.96 inches, with a travel length of 10.03 inches, ensuring proper suspension articulation. The shock uses loop bushing and sleeve mounts on both upper and lower ends, with a 14mm sleeve on the upper mount and a 12mm sleeve on the lower mount, providing a secure and vibration-resistant fit.
About the Monroe Magnum Shock Absorber Line
The Magnum Shock Absorber line by Monroe is engineered to meet the demands of heavy-duty and commercial vehicles. This product line focuses on durability and consistent performance, making it suitable for vehicles like the Ford Transit series that require dependable suspension components for load carrying and frequent use.
Applications and Problem Solving
- Reduces excessive bouncing and improves ride comfort on Ford Transit-150, Transit-250, Transit-350, and Transit-350 HD
- Minimizes suspension wear caused by rough road conditions
- Enhances vehicle stability during cornering and braking
- Prevents premature tire wear by maintaining proper wheel alignment
- Protects suspension components from dust and debris with integrated dust shield
Installation Notes and Tips
When installing the Monroe Magnum Shock Absorber 66451, ensure the loop bushing and sleeve mounts align correctly with the vehicle’s mounting points. The upper mount uses a 14mm sleeve with a 79.38mm overall length, while the lower mount uses a 12mm sleeve with a 1.7/8 inch overall length. No compressed or extended bumper stops are included, so verify compatibility with your vehicle’s suspension setup. Proper torque specifications should be followed to avoid mounting damage.
Quality Assurance and Warranty
Monroe manufactures the Magnum Shock Absorber 66451 to meet strict quality standards, ensuring consistent performance and durability. The product includes a dust shield to protect internal components and is backed by Monroe’s warranty coverage, which guarantees the shock absorber against defects in materials and workmanship under normal use.
| Brand | Monroe |
|---|---|
| Part Number | 66451 |
| Position | Magnum Shock Absorber, Rear |
| Compressed Bumper Stop | No |
| Compressed Length | 15.93 |
| Dust Shield | Yes |
| Extended Bumper Stop | No |
| Extended Hydraulic Lockout | No |
| Extended Length | 25.96 |
| Lower Mounting Code | LS30 |
| Lower Mounting Type | Loop Bushing & Sleeve Mount - 12MM Sleeve ID X 1.7/8" Sleeve OAL |
| Parts Pack | None |
| Travel Length | 10.03 |
| Upper Mounting Code | LS46 |
| Upper Mounting Type | Loop Bushing & Sleeve Mount - 14MM sleeve, 79.38MM sleeve OAL |
This part fits 67 vehicles. Search below:
| Year | Make | Model | Body Type | Position | Notes |
|---|---|---|---|---|---|
| 2026 | Ford | Transit-150 | Rear | Magnum Shock Absorber | |
| 2026 | Ford | Transit-250 | Rear | Magnum Shock Absorber | |
| 2026 | Ford | Transit-350 | Rear | Magnum Shock Absorber | |
| 2026 | Ford | Transit-350 HD | Rear | Magnum Shock Absorber | |
| 2025 | Ford | Transit-150 | Rear | Magnum Shock Absorber | |
| 2025 | Ford | Transit-250 | Rear | Magnum Shock Absorber | |
| 2025 | Ford | Transit-350 | Rear | Magnum Shock Absorber | |
| 2025 | Ford | Transit-350 HD | Rear | Magnum Shock Absorber | |
| 2024 | Ford | Transit-150 | Rear | Magnum Shock Absorber | |
| 2024 | Ford | Transit-250 | Rear | Magnum Shock Absorber | |
| 2024 | Ford | Transit-350 | Rear | Magnum Shock Absorber | |
| 2024 | Ford | Transit-350 HD | Rear | Magnum Shock Absorber | |
| 2023 | Ford | Transit-150 | Rear | Magnum Shock Absorber | |
| 2023 | Ford | Transit-250 | Rear | Magnum Shock Absorber | |
| 2023 | Ford | Transit-350 | Rear | Magnum Shock Absorber | |
| 2023 | Ford | Transit-350 HD | Rear | Magnum Shock Absorber | |
| 2022 | Ford | Transit-150 | Rear | Magnum Shock Absorber | |
| 2022 | Ford | Transit-250 | Rear | Magnum Shock Absorber | |
| 2022 | Ford | Transit-350 | Rear | Magnum Shock Absorber | |
| 2022 | Ford | Transit-350 HD | Rear | Magnum Shock Absorber | |
| 2021 | Ford | Transit-150 | Rear | Magnum Shock Absorber | |
| 2021 | Ford | Transit-250 | Rear | Shocks are 1.38 (in) Bore; Magnum Shock Absorber | |
| 2021 | Ford | Transit-350 | Standard Passenger Van | Rear | Shocks are 1.38 (in) Bore; Magnum Shock Absorber |
| 2021 | Ford | Transit-350 | Standard Cargo Van | Rear | Shocks are 1.38 (in) Bore; Magnum Shock Absorber |
| 2021 | Ford | Transit-350 | Extended Cargo Van | Rear | Shocks are 1.38 (in) Bore; Magnum Shock Absorber |
| 2021 | Ford | Transit-350 | Cutaway Van | Rear | with Single Rear Wheels (SRW); Shocks are 1.38 (in) Bore; Magnum Shock Absorber |
| 2021 | Ford | Transit-350 | Cab & Chassis | Rear | with Single Rear Wheels (SRW); Shocks are 1.38 (in) Bore; Magnum Shock Absorber |
| 2021 | Ford | Transit-350 HD | Extended Cargo Van | Rear | Shocks are 1.38 (in) Bore; Magnum Shock Absorber |
| 2021 | Ford | Transit-350 HD | Extended Passenger Van | Rear | Shocks are 1.38 (in) Bore; Magnum Shock Absorber |
| 2021 | Ford | Transit-350 HD | Cutaway Van | Rear | with Single Rear Wheels (SRW); Shocks are 1.38 (in) Bore; Magnum Shock Absorber |
| 2021 | Ford | Transit-350 HD | Cab & Chassis | Rear | with Single Rear Wheels (SRW); Shocks are 1.38 (in) Bore; Magnum Shock Absorber |
| 2020 | Ford | Transit-150 | Rear | Magnum Shock Absorber | |
| 2020 | Ford | Transit-250 | Rear | Shocks are 1.38 (in) Bore; Magnum Shock Absorber | |
| 2020 | Ford | Transit-350 | Standard Passenger Van | Rear | Shocks are 1.38 (in) Bore; Magnum Shock Absorber |
| 2020 | Ford | Transit-350 | Standard Cargo Van | Rear | Shocks are 1.38 (in) Bore; Magnum Shock Absorber |
| 2020 | Ford | Transit-350 | Extended Cargo Van | Rear | Shocks are 1.38 (in) Bore; Magnum Shock Absorber |
| 2020 | Ford | Transit-350 | Cutaway Van | Rear | with Single Rear Wheels (SRW); Shocks are 1.38 (in) Bore; Magnum Shock Absorber |
| 2020 | Ford | Transit-350 | Cab & Chassis | Rear | with Single Rear Wheels (SRW); Shocks are 1.38 (in) Bore; Magnum Shock Absorber |
| 2020 | Ford | Transit-350 HD | Extended Cargo Van | Rear | Shocks are 1.38 (in) Bore; Magnum Shock Absorber |
| 2020 | Ford | Transit-350 HD | Extended Passenger Van | Rear | Shocks are 1.38 (in) Bore; Magnum Shock Absorber |
| 2020 | Ford | Transit-350 HD | Cutaway Van | Rear | with Single Rear Wheels (SRW); Shocks are 1.38 (in) Bore; Magnum Shock Absorber |
| 2020 | Ford | Transit-350 HD | Cab & Chassis | Rear | with Single Rear Wheels (SRW); Shocks are 1.38 (in) Bore; Magnum Shock Absorber |
| 2019 | Ford | Transit-150 | Rear | Magnum Shock Absorber | |
| 2019 | Ford | Transit-250 | Rear | Shocks are 1.38 (in) Bore; Magnum Shock Absorber | |
| 2019 | Ford | Transit-350 | Standard Cargo Van | Rear | without Extended Roof; Shocks are 1.38 (in) Bore; Magnum Shock Absorber |
| 2019 | Ford | Transit-350 | Extended Cargo Van | Rear | without Extended Roof; Shocks are 1.38 (in) Bore; Magnum Shock Absorber |
| 2019 | Ford | Transit-350 HD | Extended Cargo Van | Rear | Shocks are 1.38 (in) Bore; Magnum Shock Absorber |
| 2018 | Ford | Transit-150 | Rear | Magnum Shock Absorber | |
| 2018 | Ford | Transit-250 | Rear | Shocks are 1.38 (in) Bore; Magnum Shock Absorber | |
| 2018 | Ford | Transit-350 | Standard Cargo Van | Rear | without Extended Roof; Shocks are 1.38 (in) Bore; Magnum Shock Absorber |
| 2018 | Ford | Transit-350 | Extended Cargo Van | Rear | without Extended Roof; Shocks are 1.38 (in) Bore; Magnum Shock Absorber |
| 2018 | Ford | Transit-350 HD | Extended Cargo Van | Rear | Shocks are 1.38 (in) Bore; Magnum Shock Absorber |
| 2017 | Ford | Transit-150 | Rear | Magnum Shock Absorber | |
| 2017 | Ford | Transit-250 | Rear | Shocks are 1.38 (in) Bore; Magnum Shock Absorber | |
| 2017 | Ford | Transit-350 | Standard Cargo Van | Rear | without Extended Roof; Shocks are 1.38 (in) Bore; Magnum Shock Absorber |
| 2017 | Ford | Transit-350 | Extended Cargo Van | Rear | without Extended Roof; Shocks are 1.38 (in) Bore; Magnum Shock Absorber |
| 2017 | Ford | Transit-350 HD | Extended Cargo Van | Rear | Shocks are 1.38 (in) Bore; Magnum Shock Absorber |
| 2016 | Ford | Transit-150 | Rear | Magnum Shock Absorber | |
| 2016 | Ford | Transit-250 | Rear | Shocks are 1.38 (in) Bore; Magnum Shock Absorber | |
| 2016 | Ford | Transit-350 | Standard Cargo Van | Rear | without Extended Roof; Shocks are 1.38 (in) Bore; Magnum Shock Absorber |
| 2016 | Ford | Transit-350 | Extended Cargo Van | Rear | without Extended Roof; Shocks are 1.38 (in) Bore; Magnum Shock Absorber |
| 2016 | Ford | Transit-350 HD | Extended Cargo Van | Rear | Shocks are 1.38 (in) Bore; Magnum Shock Absorber |
| 2015 | Ford | Transit-150 | Rear | Magnum Shock Absorber | |
| 2015 | Ford | Transit-250 | Rear | Shocks are 1.38 (in) Bore; Magnum Shock Absorber | |
| 2015 | Ford | Transit-350 | Standard Cargo Van | Rear | without Extended Roof; Shocks are 1.38 (in) Bore; Magnum Shock Absorber |
| 2015 | Ford | Transit-350 | Extended Cargo Van | Rear | without Extended Roof; Shocks are 1.38 (in) Bore; Magnum Shock Absorber |
| 2015 | Ford | Transit-350 HD | Extended Cargo Van | Rear | Shocks are 1.38 (in) Bore; Magnum Shock Absorber |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.