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ACDelco D1808A - Fuel Pump and Engine Oil Pressure Indicator Switch
Product Overview
The ACDelco D1808A Fuel Pump and Engine Oil Pressure Indicator Switch is designed to ensure optimal performance in your vehicle's fuel delivery system. This component plays a critical role in providing accurate oil pressure readings, which are essential for the smooth operation of your engine. With OE-level quality and reliability, you can trust ACDelco to deliver a perfect fit for a wide range of vehicles including Buick, Chevrolet, GMC, and Pontiac models. Choose ACDelco D1808A for dependable performance and peace of mind every time you service your vehicle.
Cross Reference Numbers
This ACDelco D1808A is equivalent to or replaces the following part numbers:
Vehicle Compatibility
- Buick (1987-1988) Skyhawk 2.0
- Buick (1987-1988) Skylark 3.0 V6
- Buick (1987-1989) Electra 3.8 V6
- Buick (1987-1989) Electra 5.0 V8
- Buick (1987-1990) LeSabre 3.8 V6
- Chevrolet (1985-1990) Astro 2.5
- Chevrolet (1988-1989) Beretta 2.0
- Chevrolet (1988-1989) Cavalier 2.0
- Chevrolet (1989-1990) S10 2.5
- GMC (1985-1990) Safari 2.5
This also fits other applications. Please use the vehicle selector tool to verify fitment.
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Frequently Asked Questions
What is the function of the ACDelco D1808A?
The ACDelco D1808A serves as both a fuel pump and an engine oil pressure indicator switch, ensuring accurate readings and efficient fuel delivery.
How do I know if the D1808A is compatible with my vehicle?
To verify compatibility, check your vehicle's specifications and use the vehicle selector tool available on our website for the ACDelco D1808A.
What are some common issues related to oil pressure indicators?
Common issues may include low oil pressure, erratic pressure readings, or failures leading to DTCs such as P0521 and P0522, which may indicate problems with the oil pressure sensor.
When should I replace the ACDelco D1808A?
It's advisable to replace the D1808A if you're experiencing performance issues, such as incorrect oil pressure readings or fuel delivery problems.
Where can I purchase the ACDelco D1808A?
You can order the ACDelco D1808A directly from our website for a factory-correct replacement that restores safety and performance.
- BrandACDelco
- ManufacturerACDelco
- MPND1808A
- FeaturesConnector Color : Black
Connector Gender : Female
Connector Quantity : 1
Connector Shape : Oval
Mounting Bracket Included : No
Terminal Gender : Male
Terminal Quantity : 3
Terminal Type : Blade - Part TypeFuel Pump and Engine Oil Pressure Indicator Switch
- Fitment
- Fitment TypeVehicle Specific
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 1994 | Buick | Regal | Custom (3.1 V6 GAS) | Engine: L82, VIN: M, Notes: 3 BLADE |
| 1994 | Buick | Skylark | Custom (3.1 V6 GAS) | Engine: L82, VIN: M, Notes: GAUGES CLUSTER(UB3), 3 BLADE |
| 1994 | Buick | Skylark | Gran Sport (3.1 V6 GAS) | Engine: L82, VIN: M, Notes: GAUGES CLUSTER(UB3), 3 BLADE |
| 1994 | Buick | Skylark | Limited (3.1 V6 GAS) | Engine: L82, VIN: M, Notes: GAUGES CLUSTER(UB3), 3 BLADE |
| 1994 | Chevrolet | Beretta | Base (3.1 V6 GAS) | Engine: L82, VIN: M, Notes: GAUGES CLUSTER(UB3), 3 BLADE |
| 1994 | Chevrolet | Beretta | Z26 (3.1 V6 GAS) | Engine: L82, VIN: M, Notes: GAUGES CLUSTER(UB3), 3 BLADE |
| 1994 | Chevrolet | Corsica | Base (3.1 V6 GAS) | Engine: L82, VIN: M, Notes: GAUGES CLUSTER(UB3), 3 BLADE |
| 1994 | Oldsmobile | Achieva | S (3.1 V6 GAS) | Engine: L82, VIN: M, Notes: GAUGES CLUSTER(UB3), 3 BLADE |
| 1994 | Oldsmobile | Achieva | SC (3.1 V6 GAS) | Engine: L82, VIN: M, Notes: GAUGES CLUSTER(UB3), 3 BLADE |
| 1994 | Oldsmobile | Achieva | SL (3.1 V6 GAS) | Engine: L82, VIN: M, Notes: GAUGES CLUSTER(UB3), 3 BLADE |
| 1994 | Pontiac | Grand Am | GT (3.1 V6 GAS) | Engine: L82, VIN: M, Notes: GAUGES CLUSTER(UB3), 3 BLADE |
| 1994 | Pontiac | Grand Am | SE (3.1 V6 GAS) | Engine: L82, VIN: M, Notes: GAUGES CLUSTER(UB3), 3 BLADE |
| 1995 | Buick | Skylark | Custom (3.1 V6 GAS) | Engine: L82, VIN: M, Notes: GAUGES CLUSTER(UB3), 3 BLADE |
| 1995 | Buick | Skylark | Gran Sport (3.1 V6 GAS) | Engine: L82, VIN: M, Notes: GAUGES CLUSTER(UB3), 3 BLADE |
| 1995 | Buick | Skylark | Limited (3.1 V6 GAS) | Engine: L82, VIN: M, Notes: GAUGES CLUSTER(UB3), 3 BLADE |
| 1995 | Chevrolet | Beretta | Base (3.1 V6 GAS) | Engine: L82, VIN: M, Notes: GAUGES CLUSTER(UB3), 3 BLADE |
| 1995 | Chevrolet | Beretta | Z26 (3.1 V6 GAS) | Engine: L82, VIN: M, Notes: GAUGES CLUSTER(UB3), 3 BLADE |
| 1995 | Chevrolet | Corsica | Base (3.1 V6 GAS) | Engine: L82, VIN: M, Notes: GAUGES CLUSTER(UB3), 3 BLADE |
| 1995 | Oldsmobile | Achieva | S (3.1 V6 GAS) | Engine: L82, VIN: M, Notes: GAUGES CLUSTER(UB3), 3 BLADE |
| 1995 | Oldsmobile | Achieva | SL (3.1 V6 GAS) | Engine: L82, VIN: M, Notes: GAUGES CLUSTER(UB3), 3 BLADE |
| 1995 | Pontiac | Grand Am | GT (3.1 V6 GAS) | Engine: L82, VIN: M, Notes: GAUGES CLUSTER(UB3), 3 BLADE |
| 1995 | Pontiac | Grand Am | SE (3.1 V6 GAS) | Engine: L82, VIN: M, Notes: GAUGES CLUSTER(UB3), 3 BLADE |
| 1996 | Chevrolet | Beretta | Base (3.1 V6 GAS) | Engine: L82, VIN: M, Notes: GAUGES CLUSTER(UB3), 3 BLADE |
| 1996 | Chevrolet | Beretta | Z26 (3.1 V6 GAS) | Engine: L82, VIN: M, Notes: GAUGES CLUSTER(UB3), 3 BLADE |
| 1996 | Chevrolet | Corsica | Base (3.1 V6 GAS) | Engine: L82, VIN: M, Notes: GAUGES CLUSTER(UB3), 3 BLADE |
| 1987 | Buick | Electra | Estate Wagon (5.0 V8 GAS) | Notes: ELEK GA CSTR(U52), GAUGES CLUSTER(UB3), GA CSTR(U21), 3 BLADE TERM, 1/4-18 THD, 3 BLADE |
| 1987 | Buick | Skylark | Custom (2.5 L4 GAS) | Notes: 3 BLADE TERM, 1/4-18 THD, 3 BLADE |
| 1987 | Buick | Skylark | Limited (2.5 L4 GAS) | Notes: 3 BLADE TERM, 1/4-18 THD, 3 BLADE |
| 1987 | Buick | Somerset | Custom (2.5 L4 GAS) | Notes: 3 BLADE TERM, 1/4-18 THD, 3 BLADE |
| 1987 | Buick | Somerset | Limited (2.5 L4 GAS) | Notes: 3 BLADE TERM, 1/4-18 THD, 3 BLADE |
| 1987 | Chevrolet | Astro | Base (2.5 L4 GAS) | Notes: 3 BLADE |
| 1987 | GMC | Safari | Base (2.5 L4 GAS) | Notes: 3 BLADE |
| 1987 | Oldsmobile | Calais | Base (2.5 L4 GAS) | VIN: U, Notes: GA CSTR(U21), ELEK GA CSTR(U52), 3 BLADE TERM, 1/4-18 THD, 3 BLADE |
| 1987 | Oldsmobile | Calais | GT (2.5 L4 GAS) | VIN: U, Notes: GA CSTR(U21), ELEK GA CSTR(U52), 3 BLADE TERM, 1/4-18 THD, 3 BLADE |
| 1987 | Oldsmobile | Calais | Supreme (2.5 L4 GAS) | VIN: U, Notes: GA CSTR(U21), ELEK GA CSTR(U52), 3 BLADE TERM, 1/4-18 THD, 3 BLADE |
| 1987 | Pontiac | Grand Am | Base (2.5 L4 GAS) | Notes: GA CSTR(U21), GA(UB0), 3 BLADE TERM, 1/4-18 THD, 3 BLADE |
| 1987 | Pontiac | Grand Am | LE (2.5 L4 GAS) | Notes: GA CSTR(U21), GA(UB0), 3 BLADE TERM, 1/4-18 THD, 3 BLADE |
| 1987 | Pontiac | Grand Am | SE (2.5 L4 GAS) | Notes: GA CSTR(U21), GA(UB0), 3 BLADE TERM, 1/4-18 THD, 3 BLADE |
| 1988 | Buick | Electra | Estate Wagon (5.0 V8 GAS) | Notes: ELEK GA CSTR(U52), GAUGES CLUSTER(UB3), GA CSTR(U21), 3 BLADE TERM, 1/4-18 THD, 3 BLADE |
| 1988 | Buick | LeSabre | Estate Wagon (5.0 V8 GAS) | Notes: ELEK GA CSTR(U52), GAUGES CLUSTER(UB3), GA CSTR(U21), 3 BLADE TERM, 1/4-18 THD, 3 BLADE |
| 1988 | Buick | Skylark | Custom (2.5 L4 GAS) | VIN: U, Notes: ELEK GA CSTR(U52), 3 BLADE TERM, 1/4-18 THD, 3 BLADE |
| 1988 | Buick | Skylark | Limited (2.5 L4 GAS) | VIN: U, Notes: ELEK GA CSTR(U52), 3 BLADE TERM, 1/4-18 THD, 3 BLADE |
| 1988 | Chevrolet | Astro | Base (2.5 L4 GAS) | Notes: 3 BLADE |
| 1988 | GMC | Safari | Base (2.5 L4 GAS) | Notes: 3 BLADE |
| 1988 | Oldsmobile | Cutlass Calais | Base (2.5 L4 GAS) | VIN: U, Notes: GA CSTR(U21), 3 BLADE TERM, 1/4-18 THD, 3 BLADE |
| 1988 | Oldsmobile | Cutlass Calais | GT (2.5 L4 GAS) | VIN: U, Notes: GA CSTR(U21), 3 BLADE TERM, 1/4-18 THD, 3 BLADE |
| 1988 | Oldsmobile | Cutlass Calais | SL (2.5 L4 GAS) | VIN: U, Notes: GA CSTR(U21), 3 BLADE TERM, 1/4-18 THD, 3 BLADE |
| 1988 | Pontiac | Fiero | Sport (2.5 L4 GAS) | Notes: 3 BLADE TERM, 1/4-18 THD, SINTERED MET FLTR, 3 BLADE |
| 1988 | Pontiac | Fiero | Value Leader (2.5 L4 GAS) | Notes: 3 BLADE TERM, 1/4-18 THD, SINTERED MET FLTR, 3 BLADE |
| 1988 | Pontiac | Grand Am | Base (2.5 L4 GAS) | |
| 1989 | Buick | Electra | Estate Wagon (5.0 V8 GAS) | Notes: ELEK GA CSTR(U52), GA CSTR(U21), 3 BLADE TERM, 1/4-18 THD, 3 BLADE |
| 1989 | Buick | LeSabre | Estate Wagon (5.0 V8 GAS) | Notes: ELEK GA CSTR(U52), GAUGES CLUSTER(UB3), GA CSTR(U21), 3 BLADE TERM, 1/4-18 THD, 3 BLADE |
| 1989 | Chevrolet | Astro | Base (2.5 L4 GAS) | Notes: 3 BLADE |
| 1989 | Chevrolet | S10 | Base (2.5 L4 GAS) | VIN: E, Notes: RALLY GA(Z53), 3 BLADE |
| 1989 | Chevrolet | S10 | Durango (2.5 L4 GAS) | VIN: E, Notes: RALLY GA(Z53), 3 BLADE |
| 1989 | Chevrolet | S10 | Sport (2.5 L4 GAS) | VIN: E, Notes: RALLY GA(Z53), 3 BLADE |
| 1989 | Chevrolet | S10 | Tahoe (2.5 L4 GAS) | VIN: E, Notes: RALLY GA(Z53), 3 BLADE |
| 1989 | GMC | S15 | Base (2.5 L4 GAS) | VIN: E, Notes: RALLY GA(Z53), 3 BLADE |
| 1989 | GMC | S15 | High Sierra (2.5 L4 GAS) | VIN: E, Notes: RALLY GA(Z53), 3 BLADE |
| 1989 | GMC | S15 | Sierra Classic (2.5 L4 GAS) | VIN: E, Notes: RALLY GA(Z53), 3 BLADE |
| 1989 | GMC | Safari | Base (2.5 L4 GAS) | Notes: 3 BLADE |
| 1989 | Oldsmobile | Cutlass Calais | Base (2.5 L4 GAS) | VIN: U, Notes: GAUGES CLUSTER(UB3), 3 BLADE |
| 1989 | Oldsmobile | Cutlass Calais | GT (2.5 L4 GAS) | VIN: U, Notes: GAUGES CLUSTER(UB3), 3 BLADE |
| 1989 | Oldsmobile | Cutlass Calais | S (2.5 L4 GAS) | VIN: U, Notes: GAUGES CLUSTER(UB3), 3 BLADE |
| 1989 | Oldsmobile | Cutlass Calais | SL (2.5 L4 GAS) | VIN: U, Notes: GAUGES CLUSTER(UB3), 3 BLADE |
| 1990 | Buick | Skylark | Base (2.5 L4 GAS) | VIN: U, Notes: GAUGES CLUSTER(UB3), 3 BLADE TERM, 1/4-18 THD, 3 BLADE |
| 1990 | Buick | Skylark | Custom (2.5 L4 GAS) | VIN: U, Notes: GAUGES CLUSTER(UB3), 3 BLADE TERM, 1/4-18 THD, 3 BLADE |
| 1990 | Buick | Skylark | Gran Sport (2.5 L4 GAS) | VIN: U, Notes: GAUGES CLUSTER(UB3), 3 BLADE TERM, 1/4-18 THD, 3 BLADE |
| 1990 | Buick | Skylark | Luxury Edition (2.5 L4 GAS) | VIN: U, Notes: GAUGES CLUSTER(UB3), 3 BLADE TERM, 1/4-18 THD, 3 BLADE |
| 1990 | Chevrolet | Astro | Base (2.5 L4 GAS) | Notes: 3 BLADE |
| 1990 | Chevrolet | LLV | Base (2.5 L4 GAS) | Notes: 3 BLADE |
| 1990 | Chevrolet | Lumina | Base (2.5 L4 GAS) | VIN: R, Notes: GAUGES CLUSTER(UB3), 3 BLADE |
| 1990 | Chevrolet | S10 | Base (2.5 L4 GAS) | VIN: E, Notes: RALLY GA(Z53), 3 BLADE |
| 1990 | Chevrolet | S10 | Durango (2.5 L4 GAS) | VIN: E, Notes: RALLY GA(Z53), 3 BLADE |
| 1990 | Chevrolet | S10 | Tahoe (2.5 L4 GAS) | VIN: E, Notes: RALLY GA(Z53), 3 BLADE |
| 1990 | GMC | S15 | Base (2.5 L4 GAS) | VIN: E, Notes: RALLY GA(Z53), 3 BLADE |
| 1990 | GMC | S15 | High Sierra (2.5 L4 GAS) | VIN: E, Notes: RALLY GA(Z53), 3 BLADE |
| 1990 | GMC | S15 | Sierra Classic (2.5 L4 GAS) | VIN: E, Notes: RALLY GA(Z53), 3 BLADE |
| 1990 | GMC | Safari | Base (2.5 L4 GAS) | Notes: 3 BLADE |
| 1990 | Oldsmobile | Cutlass Calais | Base (2.5 L4 GAS) | VIN: U, Notes: GAUGES CLUSTER(UB3), 3 BLADE |
| 1990 | Oldsmobile | Cutlass Calais | GT (2.5 L4 GAS) | VIN: U, Notes: GAUGES CLUSTER(UB3), 3 BLADE |
| 1990 | Oldsmobile | Cutlass Calais | S (2.5 L4 GAS) | VIN: U, Notes: GAUGES CLUSTER(UB3), 3 BLADE |
| 1985 | Chevrolet | Astro | Base (2.5 L4 GAS) | Notes: 3 BLADE |
| 1985 | Chevrolet | Astro | CL (2.5 L4 GAS) | Notes: 3 BLADE |
| 1985 | Chevrolet | Astro | CS (2.5 L4 GAS) | Notes: 3 BLADE |
| 1985 | GMC | Safari | Base (2.5 L4 GAS) | Notes: 3 BLADE |
| 1985 | GMC | Safari | SL (2.5 L4 GAS) | Notes: 3 BLADE |
| 1985 | GMC | Safari | SLE (2.5 L4 GAS) | Notes: 3 BLADE |
| 1985 | GMC | Safari | SLX (2.5 L4 GAS) | Notes: 3 BLADE |
| 1986 | Chevrolet | Astro | Base (2.5 L4 GAS) | Notes: 3 BLADE |
| 1986 | GMC | Safari | Base (2.5 L4 GAS) | Notes: 3 BLADE |
| 1991 | Chevrolet | Lumina | Base (2.5 L4 GAS) | VIN: R, Notes: GAUGES CLUSTER(UB3), 3 BLADE |
| 1991 | Oldsmobile | Cutlass Calais | Base (2.5 L4 GAS) | VIN: U, Notes: GAUGES CLUSTER(UB3), 3 BLADE |
| 1991 | Oldsmobile | Cutlass Calais | GT (2.5 L4 GAS) | VIN: U, Notes: GAUGES CLUSTER(UB3), 3 BLADE |
| 1991 | Oldsmobile | Cutlass Calais | S (2.5 L4 GAS) | VIN: U, Notes: GAUGES CLUSTER(UB3), 3 BLADE |
| 1991 | Oldsmobile | Cutlass Ciera | Base (2.5 L4 GAS) | VIN: R, Notes: GAUGES CLUSTER(UB3), 3 BLADE |
| 1991 | Oldsmobile | Cutlass Ciera | S (2.5 L4 GAS) | VIN: R, Notes: GAUGES CLUSTER(UB3), 3 BLADE |
| 1991 | Pontiac | 6000 | LE (2.5 L4 GAS) | Notes: GAUGES CLUSTER(UB3), 3 BLADE |
| 1992 | Chevrolet | Lumina | Base (2.5 L4 GAS) | VIN: R, Notes: OVERALL HEIGHT 3 3/4 INCH, FOR 2ND DES SEE 19244517, GAUGES CLUSTER(UB3), 3 BLADE, 1st Design |
| 1992 | Oldsmobile | Cutlass Ciera | Base (2.5 L4 GAS) | VIN: R, Notes: GAUGES CLUSTER(UB3), 3 BLADE |
Warranty Overview
At Newparts, we stand behind the quality of the products we sell. Every part we offer is backed by a warranty designed to give you peace of mind and protect your investment.
Standard Warranty – Most Parts
Coverage: 2 years or 24,000 miles (whichever comes first) from purchase date.
Protection: Defects in materials or workmanship under normal personal use.
Eligibility: Applies only to the original purchaser and the vehicle where the part was first installed.
Exclusions:
Wear-and-tear items (brake pads, filters, bulbs, wipers, etc.)
Commercial, fleet, rideshare, off-road, or racing use
Improper installation, misuse, accidents, or modifications
Not Covered: Labor, shipping, towing, or incidental costs.
Bison Performance Warranty – Our House Brand
Coverage: Limited Lifetime Warranty for as long as you own your vehicle.
Applies To: All products sold under the Bison Performance label.
Premium Protection: Goes beyond our standard warranty — if it’s a Bison product, the 2-year/24k mile limit is replaced with lifetime coverage.
Exclusions: Same as the standard warranty (normal wear, commercial use, improper installation, etc.).
What’s Included: Replacement of the defective product (labor and shipping excluded).
Warranty Claim Requirements
To keep claims fast and fair, we require:
Proof of purchase (invoice or order confirmation).
Photos or videos showing the defective part, order number, date, VIN, and odometer reading.
Diagnostic reports or part returns for non-visible issues may be requested.
Claims must be truthful, properly documented, and reflect normal consumer use.
Buy With Confidence: We back our products because we believe in their quality, with a transparent, customer-first warranty process you can trust. And with Bison Performance products, you’ll enjoy Limited Lifetime protection—an assurance few brands can match.
For full details and exclusions, please see our complete Warranty Terms & Conditions.
This summary is for convenience only. For full warranty coverage details, exclusions, and requirements, see our official Warranty Terms & Conditions. In case of conflict, the full policy governs.
Return Policy Overview
Most parts can be returned within 30 days of delivery if unused, uninstalled, and in original packaging.
To start a return, use our Return Portal or contact support.
Restocking fee: Up to 20% may apply for certain orders (buyer’s remorse, order errors, or special-order items)
Refunds: Issued to your original payment method within 3–5 business days after inspection
Exchanges: Not automatic — please return and reorder
Replacements: May be approved for incorrect or defective items reported within 7 days
Not returnable:
Used or installed parts
Electrical components
Opened filter kits, gaskets, or contaminated items
Final sale or custom orders
Important Notes:
Return shipping is your responsibility unless we made a verified error
Fitment is the customer’s responsibility (we can assist, but do not guarantee)
Country of origin may vary and is not grounds for return
For complete details, please see our full Return Policy.
This Returns summary is provided for convenience only. All returns, refunds, and exchanges are subject to the complete Returns Policy. In the event of any conflict, the full policy governs.
Fast, Reliable Shipping — Straight to Your Door
We ship most orders the same day when placed before 2 PM CST (Monday–Friday). Our main warehouse is just east of Nashville, TN, and we also ship from multiple locations nationwide to get your order to you as quickly as possible.
We use trusted carriers like UPS, FedEx, and USPS.
Tracking info is emailed to you as soon as your order ships.
Delivery estimates at checkout are based on carrier data, but not guaranteed.
Need help with a shipment?
If your order is missing, damaged, or incorrect, just let us know within 5 days of delivery. We’ll walk you through the quick claim process — including a few photos to help us make things right.
For full details, please see our complete Shipping Policy.
This Shipping summary is provided for convenience only. Delivery times, carrier terms, fees, restrictions, risk of loss, and other details are governed by our complete Shipping Policy. In the event of any conflict, the full policy governs.







