OER 1964-66 Door Window Guide – RH Rear

Part Number: 21508B-CM-OER

OER 1964-66 Door Window Guide – RH Rear

Part Number: 21508B-CM-OER

Original price was: $114.94.Current price is: $99.95.

In Stock

( Inventory updated: 06/06/2026 )

Estimated ship date: 2-3 business days

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1964-66 Door Window Guide – RH Rear

If you’re restoring a classic Ford Mustang or simply looking to improve its window functionality, the 1964-66 Door Window Guide – RH Rear is an essential component to consider. Designed specifically for the passenger side, this premium window guide will ensure your door glass operates smoothly, securely, and reliably for years to come.

Key Features and Benefits

  • High-Quality Construction: Made from a durable vertical steel channel and covered in Mohair/Felt material, this part matches the OEM specifications for a precise fit and authentic appearance.
  • Improved Window Functionality: This window guide keeps your door glass securely positioned, greatly enhancing its performance and reducing the risk of slippage or malfunction.
  • Rust Resistance: Say goodbye to rusted components! Unlike the original parts that often suffer from degradation, this replacement guide is built to last.
  • Easy Installation: Designed for a straightforward installation process, you can quickly upgrade your Mustang with minimal hassle, making it an ideal project for any DIY enthusiast.

Technical Specifications

  • Part Number: 21508B-CM
  • Brand: OER

Fitment Information

This Door Window Guide is compatible with the following Ford Mustang models:

  • 1964 Ford Mustang
  • 1965 Ford Mustang
  • 1966 Ford Mustang

Upgrade your classic Mustang today with the 1964-66 Door Window Guide – RH Rear. Experience the difference in window reliability and operation, and give your vehicle the care and attention it deserves!

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OER

Original Equipment Reproduction - OER - is the leading manufacturer and distributor of quality classic automotive restoration parts and accessories. OER products are meticulously manufactured to replicate the OEM appearance, quality and fit that meets or exceeds the original factory specifications.

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