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OE Quality
60-Day Returns
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Universal AirPart #: RD6421C
Universal Air RD6421C A/C Accumulator
⚙️ 15 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$41.03Free 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.
🔥
✅ In Stock · Ready To Ship
Most orders ship same-day if ordered before 1pm CST.
✅OE Direct Replacement — Bolt-on fit, no modifications needed
📦Accumulator
🚗Fitment: Buick and Oldsmobile, Century, Cutlass Ciera, and Cutlass Cruiser
🔄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 A/C Accumulator options
Universal Air RD6421C A/C Accumulator
This part fits 15 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1988 | Buick | Century | Limited | 3.8L | V6 | N/A | OE Style; Accumulator |
| 1988 | Buick | Century | Custom | 3.8L | V6 | N/A | OE Style; Accumulator |
| 1988 | Buick | Century | Estate Wagon | 3.8L | V6 | N/A | OE Style; Accumulator |
| 1988 | Oldsmobile | Cutlass Ciera | S | 3.8L | V6 | N/A | Accumulator |
| 1988 | Oldsmobile | Cutlass Ciera | Base | 3.8L | V6 | N/A | Accumulator |
| 1988 | Oldsmobile | Cutlass Ciera | LS | 3.8L | V6 | N/A | Accumulator |
| 1988 | Oldsmobile | Cutlass Ciera | SL | 3.8L | V6 | N/A | Accumulator |
| 1988 | Oldsmobile | Cutlass Ciera | Brougham | 3.8L | V6 | N/A | Accumulator |
| 1988 | Oldsmobile | Cutlass Ciera | International | 3.8L | V6 | N/A | Accumulator |
| 1988 | Oldsmobile | Cutlass Cruiser | 3.8L | V6 | N/A | Accumulator | |
| 1987 | Buick | Century | Limited | 3.8L | V6 | N/A | OE Style; Accumulator |
| 1987 | Buick | Century | Custom | 3.8L | V6 | N/A | OE Style; Accumulator |
| 1987 | Buick | Century | Estate Wagon | 3.8L | V6 | N/A | OE Style; Accumulator |
| 1987 | Oldsmobile | Cutlass Ciera | 3.8L | V6 | N/A | Accumulator | |
| 1987 | Oldsmobile | Cutlass Cruiser | 3.8L | V6 | N/A | Accumulator |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.