Description
Overview:
This right-hand auto-reverse brake tension spring (MPN 763 273) is a replacement spring for AL-KO 1637 drum brake assemblies used on braked trailers and caravans. It provides the correct return and tensioning action within the auto-reverse mechanism, ensuring the brake shoes reset properly after braking and when reversing. The spring is a steel component designed for the right-hand side of the brake assembly and is intended to match the function and fit of the original equipment reference. It is suitable for workshop maintenance, axle overhauls and routine brake servicing on trailers built with AL-KO 1637 brakes, including plant, general purpose and goods trailers, as well as many caravans that use this brake size. Using the correct handed spring maintains balanced braking performance and preserves the designed auto-reverse operation of the system.
Key Features:
- Right-hand (R/H) orientation for AL-KO 1637 auto-reverse brake assemblies
- Equivalent to AL-KO part number 2188870001 (right-hand)
- Steel spring provides the specified return tension for the auto-reverse mechanism
- Helps reset brake shoes after application and during reversing
- Direct-fit replacement for the designated AL-KO 1637 brake layout
- Suitable for trailer and caravan drum brake service and overhaul work
Typical Applications:
Used inside the drum on braked trailer and caravan axles fitted with AL-KO 1637 brake assemblies. Typical on plant trailers, general builders' trailers, goods and box trailers, and many caravans that use AL-KO running gear. Fits positions requiring the right-hand auto-reverse tension spring and is equivalent to AL-KO 2188870001.
Also known as:
Right-Hand Auto-Reverse Spring
R/H Brake Shoe Return Spring
AL-KO 1637 Right-Hand Spring
Equivalent to AL-KO 2188870001
Product Specifications
| L&S Part No. | 763 273 |
|---|---|
| Part Type | Genuine Part |
| Unit of Sale | 1 |
| Key Features | - Right-hand orientation for AL-KO 1637 brake assemblies - Equivalent to AL-KO part number 2188870001 - Steel spring provides specified return tension - Direct-fit replacement for AL-KO 1637 brakes - Suitable for trailer and caravan brake servicing |

