# 165-57 - MASTER CYLINDER, LEFT WILWOOD (165-07)

165-57 - MASTER CYLINDER, LEFT WILWOOD (165-07) - ARGO PARTS

Replacement drivers' left side brake master cylinder.   
  
Reference the Product downloads for proper adjustment on this new version.  
  
Fits all 1980's to 2019 models that previously used the Knott or Grimeca brake systems.  
  
  
**Uses DOT 5 brake fluid only.  It is recommended to always replace your copper brake line crush washers (2) of 10032J when removing the brake line.**  
  
There are currently no rebuild kits for this master cylinder.  
  
Replacement sight glass is # 800-0112  
  
  
Replaces: 165-06 , 165-07 , 165-10 , 165-12

## Details

- **Price:** 139.95 USD
- **Vendor:** DOC'S FULL BORE OUTDOOR
- **Tags:** Argo Parts, OEM Parts

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 139.95 USD | In stock |

## Images

- 165-57 - MASTER CYLINDER, LEFT WILWOOD (165-07)
- 165-57 - MASTER CYLINDER, LEFT WILWOOD (165-07) - ARGO PARTS
- 165-57 - MASTER CYLINDER, LEFT WILWOOD (165-07) - ARGO PARTS
- Argo Genuine Parts & Accessories

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> Source: [Doc's Full Bore Outdoor](https://parts.docsfullboreoutdoor.com/products/165-57)
> Updated: 2026-07-22