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DormanPart #: W37940
Dorman W37940 Drum Brake Wheel Cylinder - Rear Right Forward
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$96.31Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
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✅ In Stock · Ready To Ship
Most orders ship same-day if ordered before 1pm CST.
✅OE Direct Replacement — Bolt-on fit, no modifications needed
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
Not what you need? Click here for all Drum Brake Wheel Cylinder options
Dorman W37940 Drum Brake Wheel Cylinder - Rear Right Forward
| Brand | Dorman |
| Part Number | W37940 |
| Bleeder Screw Included | Yes |
| Brake Line Inlet Thread Diameter | 10 |
| Bleeder Screw Cap Included | No |
| Casting Material | Cast iron |
| Bore Diameter | 1.5 |
| Brake Component Inlet Thread Size | M10 x 1.0 |
| Package Contents | 1 drum brake wheel cylinder |
| Thread Pitch | 1.0 |
This part fits 0 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|
* 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:
134.76106147600583018E3533400294054931F123266W-62106W906686WC257390WC37940
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.