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OE Quality
60-Day Returns
ApexPart #: AMS3400
Apex AMS3400 Fuel Injection Plenum Gasket Set - Upper
⚙️ 25 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$14.47Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
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*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
🚗Fitment: Buick, Chevrolet, Oldsmobile, and Pontiac, 6000, Cavalier, Corsica, Cutlass Supreme, Grand Prix, Lumina, Regal, and Sunbird
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
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Apex AMS3400 Fuel Injection Plenum Gasket Set - Upper
This part fits 25 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1994 | Chevrolet | Cavalier | 3.1L | V6 | Upper | |
| 1994 | Chevrolet | Lumina | 3.1L | V6 | Upper | |
| 1994 | Pontiac | Sunbird | 3.1L | V6 | Upper | |
| 1993 | Buick | Regal | 3.1L | V6 | Upper | |
| 1993 | Chevrolet | Cavalier | 3.1L | V6 | Upper | |
| 1993 | Chevrolet | Corsica | 3.1L | V6 | Upper | |
| 1993 | Chevrolet | Lumina | 3.1L | V6 | Upper | |
| 1993 | Oldsmobile | Cutlass Supreme | 3.1L | V6 | Upper | |
| 1993 | Pontiac | Grand Prix | 3.1L | V6 | Upper | |
| 1993 | Pontiac | Sunbird | 3.1L | V6 | Upper | |
| 1992 | Buick | Regal | 3.1L | V6 | Upper | |
| 1992 | Chevrolet | Cavalier | 3.1L | V6 | Upper | |
| 1992 | Chevrolet | Corsica | 3.1L | V6 | Upper | |
| 1992 | Chevrolet | Lumina | 3.1L | V6 | Upper | |
| 1992 | Oldsmobile | Cutlass Supreme | 3.1L | V6 | Upper | |
| 1992 | Pontiac | Grand Prix | 3.1L | V6 | Upper | |
| 1992 | Pontiac | Sunbird | 3.1L | V6 | Upper | |
| 1991 | Buick | Regal | 3.1L | V6 | Upper | exc. Sequence No. 40001-800000 |
| 1991 | Chevrolet | Cavalier | 3.1L | V6 | Upper | |
| 1991 | Chevrolet | Corsica | 3.1L | V6 | Upper | |
| 1991 | Chevrolet | Lumina | 3.1L | V6 | Upper | |
| 1991 | Oldsmobile | Cutlass Supreme | 3.1L | V6 | Upper | |
| 1991 | Pontiac | 6000 | 3.1L | V6 | Upper | |
| 1991 | Pontiac | Grand Prix | 3.1L | V6 | Upper | |
| 1991 | Pontiac | Sunbird | 3.1L | V6 | Upper |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.