PFA Aston Martin Classic Rear Radius Arm Retaining Washer Various Models DB4 onwards
£4.15
In stock
In stock
Product Info
PFA Aston Martin Classic Rear Radius Arm Retaining Washer Various Models DB4 onwards
Aston Martin Stainless Steel Rear Radius Arm Retaining Washer (DB4 Onwards)
Safeguard the rear axle location of your classic grand tourer using the PFA Stainless Steel Rear Radius Arm Retaining Washer. We precision-manufacture this large outside diameter (OD) washer to provide a vital safety capture mechanism for the rear radius arm in the event of an unexpected factory bush failure.
Product Overview
Rear suspension components on classic DB and V8 models endure heavy dynamic loads under acceleration and braking. Therefore, using correct, high-integrity hardware is essential for safety. Furthermore, this wide-profile washer is fully compatible and exceptionally useful when upgrading to polyurethane bushing kits, ensuring the arm remains positively located under all driving conditions.
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Vehicle Compatibility: Suitable for classic Aston Martin models from the DB4 era onwards, including:
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Aston Martin DB4, DB5, and DB6 / DB6 Mk2 (useful upgrade specification)
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Aston Martin DBS6
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Aston Martin DBS V8
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Aston Martin AM V8
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Quantity: This listing is for a single item (sold individually).
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Quality: Precision-stamped from premium stainless steel to prevent rust, thinning, and structural degradation over decades of road exposure.
Technical Specifications
| Attribute | Detail |
| Part Type | Rear Radius Arm Retaining Washer |
| Material | High-Grade Stainless Steel |
| Original Part Number | 690326 (where applicable) |
| Our Part Number | PFA-690326A-R |
| Package Quantity | 1 (Sold individually) |
Parts Book Reference Guide
You can easily cross-reference this component in your official Aston Martin parts catalogues and workshop manuals:
| Model | Parts Catalogue / Publication | Page | Item Number |
| DB4 | Plate O | Page 50 | Item 6 |
| DB5 & DB6 | Factory Unlisted (Highly Recommended Upgrade) | — | — |
| DBS6 | ED866 | Page 4-3 | Item 22 |
| DBS V8 | DF8110/4/71 (DBS V8) | Page 4-2 | Item 22 |
| AMV8 | TP 5078-I-0890-150 | Page 4.1.1 | Item 19 |
Why Choose Our Stainless Steel Retaining Washer?
Maintaining positive control over your rear suspension links is critical for high-speed stability and safety in a classic Aston Martin. Original carbon steel washers are prone to environmental corrosion and lack the optimal safety capture profile, especially when modern polyurethane bushes alter compliance. Consequently, upgrading to our stainless steel large-OD washer guarantees permanent corrosion immunity, enhanced safety containment, and flawless location during suspension articulation.
Need assistance with your rear suspension or bushing overhaul? We specialize in supplying authentic and precision-engineered components for classic Aston Martin models. If you need help verifying your chassis configuration or planning your suspension refresh, please contact our team for expert guidance.
Parts For Astons is an independent business dedicated to providing high-quality parts primarily for Aston Martin vehicles. Our expertise stems from years of passion and experience with Aston Martins from restoration and race preparation (and everything inbetween), ensuring every part we offer meets the exacting standards of these iconic vehicles.
We manufacture our own parts using our own designs which are developed in-house and rigorously tested before going to market. This enables us to manage our own quality control to ensure you receive a part which is 100% fit for purpose. If we do not have a part in stock, we can manufacture it quickly.
Closely associated with Goldsmith And Young, you can trust in our commitment to quality and personalised service for your restoration or performance needs. Should you have any questions, please do not hesitate to reach out and ask.
Additional information
| OEM | 690326 |
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