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          ACDelco D1808A - Fuel Pump and Engine Oil Pressure Indicator Switch

          MPN: D1808A
          0.0
          Vehicle Specific
          Check if this part fits your vehicle.
          • $54.95
          In stock

          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.

            • Newparts SKU
              1652334
            • Weight
              0.17 lbs
            • Dimensions (L x W x H)
              4.1 x 2.1 x 2.1 in
            • Manufacturer Part #
              D1808A
          • Brand
            ACDelco
          • Manufacturer
            ACDelco
          • MPN
            D1808A
          • Features
            Connector 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 Type
            Fuel Pump and Engine Oil Pressure Indicator Switch
          • Fitment
            • Fitment Type
              Vehicle Specific
          YearMakeModelSubmodelNotes
          1994BuickRegalCustom (3.1 V6 GAS)Engine: L82, VIN: M, Notes: 3 BLADE
          1994BuickSkylarkCustom (3.1 V6 GAS)Engine: L82, VIN: M, Notes: GAUGES CLUSTER(UB3), 3 BLADE
          1994BuickSkylarkGran Sport (3.1 V6 GAS)Engine: L82, VIN: M, Notes: GAUGES CLUSTER(UB3), 3 BLADE
          1994BuickSkylarkLimited (3.1 V6 GAS)Engine: L82, VIN: M, Notes: GAUGES CLUSTER(UB3), 3 BLADE
          1994ChevroletBerettaBase (3.1 V6 GAS)Engine: L82, VIN: M, Notes: GAUGES CLUSTER(UB3), 3 BLADE
          1994ChevroletBerettaZ26 (3.1 V6 GAS)Engine: L82, VIN: M, Notes: GAUGES CLUSTER(UB3), 3 BLADE
          1994ChevroletCorsicaBase (3.1 V6 GAS)Engine: L82, VIN: M, Notes: GAUGES CLUSTER(UB3), 3 BLADE
          1994OldsmobileAchievaS (3.1 V6 GAS)Engine: L82, VIN: M, Notes: GAUGES CLUSTER(UB3), 3 BLADE
          1994OldsmobileAchievaSC (3.1 V6 GAS)Engine: L82, VIN: M, Notes: GAUGES CLUSTER(UB3), 3 BLADE
          1994OldsmobileAchievaSL (3.1 V6 GAS)Engine: L82, VIN: M, Notes: GAUGES CLUSTER(UB3), 3 BLADE
          1994PontiacGrand AmGT (3.1 V6 GAS)Engine: L82, VIN: M, Notes: GAUGES CLUSTER(UB3), 3 BLADE
          1994PontiacGrand AmSE (3.1 V6 GAS)Engine: L82, VIN: M, Notes: GAUGES CLUSTER(UB3), 3 BLADE
          1995BuickSkylarkCustom (3.1 V6 GAS)Engine: L82, VIN: M, Notes: GAUGES CLUSTER(UB3), 3 BLADE
          1995BuickSkylarkGran Sport (3.1 V6 GAS)Engine: L82, VIN: M, Notes: GAUGES CLUSTER(UB3), 3 BLADE
          1995BuickSkylarkLimited (3.1 V6 GAS)Engine: L82, VIN: M, Notes: GAUGES CLUSTER(UB3), 3 BLADE
          1995ChevroletBerettaBase (3.1 V6 GAS)Engine: L82, VIN: M, Notes: GAUGES CLUSTER(UB3), 3 BLADE
          1995ChevroletBerettaZ26 (3.1 V6 GAS)Engine: L82, VIN: M, Notes: GAUGES CLUSTER(UB3), 3 BLADE
          1995ChevroletCorsicaBase (3.1 V6 GAS)Engine: L82, VIN: M, Notes: GAUGES CLUSTER(UB3), 3 BLADE
          1995OldsmobileAchievaS (3.1 V6 GAS)Engine: L82, VIN: M, Notes: GAUGES CLUSTER(UB3), 3 BLADE
          1995OldsmobileAchievaSL (3.1 V6 GAS)Engine: L82, VIN: M, Notes: GAUGES CLUSTER(UB3), 3 BLADE
          1995PontiacGrand AmGT (3.1 V6 GAS)Engine: L82, VIN: M, Notes: GAUGES CLUSTER(UB3), 3 BLADE
          1995PontiacGrand AmSE (3.1 V6 GAS)Engine: L82, VIN: M, Notes: GAUGES CLUSTER(UB3), 3 BLADE
          1996ChevroletBerettaBase (3.1 V6 GAS)Engine: L82, VIN: M, Notes: GAUGES CLUSTER(UB3), 3 BLADE
          1996ChevroletBerettaZ26 (3.1 V6 GAS)Engine: L82, VIN: M, Notes: GAUGES CLUSTER(UB3), 3 BLADE
          1996ChevroletCorsicaBase (3.1 V6 GAS)Engine: L82, VIN: M, Notes: GAUGES CLUSTER(UB3), 3 BLADE
          1987BuickElectraEstate 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
          1987BuickSkylarkCustom (2.5 L4 GAS)Notes: 3 BLADE TERM, 1/4-18 THD, 3 BLADE
          1987BuickSkylarkLimited (2.5 L4 GAS)Notes: 3 BLADE TERM, 1/4-18 THD, 3 BLADE
          1987BuickSomersetCustom (2.5 L4 GAS)Notes: 3 BLADE TERM, 1/4-18 THD, 3 BLADE
          1987BuickSomersetLimited (2.5 L4 GAS)Notes: 3 BLADE TERM, 1/4-18 THD, 3 BLADE
          1987ChevroletAstroBase (2.5 L4 GAS)Notes: 3 BLADE
          1987GMCSafariBase (2.5 L4 GAS)Notes: 3 BLADE
          1987OldsmobileCalaisBase (2.5 L4 GAS)VIN: U, Notes: GA CSTR(U21), ELEK GA CSTR(U52), 3 BLADE TERM, 1/4-18 THD, 3 BLADE
          1987OldsmobileCalaisGT (2.5 L4 GAS)VIN: U, Notes: GA CSTR(U21), ELEK GA CSTR(U52), 3 BLADE TERM, 1/4-18 THD, 3 BLADE
          1987OldsmobileCalaisSupreme (2.5 L4 GAS)VIN: U, Notes: GA CSTR(U21), ELEK GA CSTR(U52), 3 BLADE TERM, 1/4-18 THD, 3 BLADE
          1987PontiacGrand AmBase (2.5 L4 GAS)Notes: GA CSTR(U21), GA(UB0), 3 BLADE TERM, 1/4-18 THD, 3 BLADE
          1987PontiacGrand AmLE (2.5 L4 GAS)Notes: GA CSTR(U21), GA(UB0), 3 BLADE TERM, 1/4-18 THD, 3 BLADE
          1987PontiacGrand AmSE (2.5 L4 GAS)Notes: GA CSTR(U21), GA(UB0), 3 BLADE TERM, 1/4-18 THD, 3 BLADE
          1988BuickElectraEstate 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
          1988BuickLeSabreEstate 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
          1988BuickSkylarkCustom (2.5 L4 GAS)VIN: U, Notes: ELEK GA CSTR(U52), 3 BLADE TERM, 1/4-18 THD, 3 BLADE
          1988BuickSkylarkLimited (2.5 L4 GAS)VIN: U, Notes: ELEK GA CSTR(U52), 3 BLADE TERM, 1/4-18 THD, 3 BLADE
          1988ChevroletAstroBase (2.5 L4 GAS)Notes: 3 BLADE
          1988GMCSafariBase (2.5 L4 GAS)Notes: 3 BLADE
          1988OldsmobileCutlass CalaisBase (2.5 L4 GAS)VIN: U, Notes: GA CSTR(U21), 3 BLADE TERM, 1/4-18 THD, 3 BLADE
          1988OldsmobileCutlass CalaisGT (2.5 L4 GAS)VIN: U, Notes: GA CSTR(U21), 3 BLADE TERM, 1/4-18 THD, 3 BLADE
          1988OldsmobileCutlass CalaisSL (2.5 L4 GAS)VIN: U, Notes: GA CSTR(U21), 3 BLADE TERM, 1/4-18 THD, 3 BLADE
          1988PontiacFieroSport (2.5 L4 GAS)Notes: 3 BLADE TERM, 1/4-18 THD, SINTERED MET FLTR, 3 BLADE
          1988PontiacFieroValue Leader (2.5 L4 GAS)Notes: 3 BLADE TERM, 1/4-18 THD, SINTERED MET FLTR, 3 BLADE
          1988PontiacGrand AmBase (2.5 L4 GAS)
          1989BuickElectraEstate Wagon (5.0 V8 GAS)Notes: ELEK GA CSTR(U52), GA CSTR(U21), 3 BLADE TERM, 1/4-18 THD, 3 BLADE
          1989BuickLeSabreEstate 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
          1989ChevroletAstroBase (2.5 L4 GAS)Notes: 3 BLADE
          1989ChevroletS10Base (2.5 L4 GAS)VIN: E, Notes: RALLY GA(Z53), 3 BLADE
          1989ChevroletS10Durango (2.5 L4 GAS)VIN: E, Notes: RALLY GA(Z53), 3 BLADE
          1989ChevroletS10Sport (2.5 L4 GAS)VIN: E, Notes: RALLY GA(Z53), 3 BLADE
          1989ChevroletS10Tahoe (2.5 L4 GAS)VIN: E, Notes: RALLY GA(Z53), 3 BLADE
          1989GMCS15Base (2.5 L4 GAS)VIN: E, Notes: RALLY GA(Z53), 3 BLADE
          1989GMCS15High Sierra (2.5 L4 GAS)VIN: E, Notes: RALLY GA(Z53), 3 BLADE
          1989GMCS15Sierra Classic (2.5 L4 GAS)VIN: E, Notes: RALLY GA(Z53), 3 BLADE
          1989GMCSafariBase (2.5 L4 GAS)Notes: 3 BLADE
          1989OldsmobileCutlass CalaisBase (2.5 L4 GAS)VIN: U, Notes: GAUGES CLUSTER(UB3), 3 BLADE
          1989OldsmobileCutlass CalaisGT (2.5 L4 GAS)VIN: U, Notes: GAUGES CLUSTER(UB3), 3 BLADE
          1989OldsmobileCutlass CalaisS (2.5 L4 GAS)VIN: U, Notes: GAUGES CLUSTER(UB3), 3 BLADE
          1989OldsmobileCutlass CalaisSL (2.5 L4 GAS)VIN: U, Notes: GAUGES CLUSTER(UB3), 3 BLADE
          1990BuickSkylarkBase (2.5 L4 GAS)VIN: U, Notes: GAUGES CLUSTER(UB3), 3 BLADE TERM, 1/4-18 THD, 3 BLADE
          1990BuickSkylarkCustom (2.5 L4 GAS)VIN: U, Notes: GAUGES CLUSTER(UB3), 3 BLADE TERM, 1/4-18 THD, 3 BLADE
          1990BuickSkylarkGran Sport (2.5 L4 GAS)VIN: U, Notes: GAUGES CLUSTER(UB3), 3 BLADE TERM, 1/4-18 THD, 3 BLADE
          1990BuickSkylarkLuxury Edition (2.5 L4 GAS)VIN: U, Notes: GAUGES CLUSTER(UB3), 3 BLADE TERM, 1/4-18 THD, 3 BLADE
          1990ChevroletAstroBase (2.5 L4 GAS)Notes: 3 BLADE
          1990ChevroletLLVBase (2.5 L4 GAS)Notes: 3 BLADE
          1990ChevroletLuminaBase (2.5 L4 GAS)VIN: R, Notes: GAUGES CLUSTER(UB3), 3 BLADE
          1990ChevroletS10Base (2.5 L4 GAS)VIN: E, Notes: RALLY GA(Z53), 3 BLADE
          1990ChevroletS10Durango (2.5 L4 GAS)VIN: E, Notes: RALLY GA(Z53), 3 BLADE
          1990ChevroletS10Tahoe (2.5 L4 GAS)VIN: E, Notes: RALLY GA(Z53), 3 BLADE
          1990GMCS15Base (2.5 L4 GAS)VIN: E, Notes: RALLY GA(Z53), 3 BLADE
          1990GMCS15High Sierra (2.5 L4 GAS)VIN: E, Notes: RALLY GA(Z53), 3 BLADE
          1990GMCS15Sierra Classic (2.5 L4 GAS)VIN: E, Notes: RALLY GA(Z53), 3 BLADE
          1990GMCSafariBase (2.5 L4 GAS)Notes: 3 BLADE
          1990OldsmobileCutlass CalaisBase (2.5 L4 GAS)VIN: U, Notes: GAUGES CLUSTER(UB3), 3 BLADE
          1990OldsmobileCutlass CalaisGT (2.5 L4 GAS)VIN: U, Notes: GAUGES CLUSTER(UB3), 3 BLADE
          1990OldsmobileCutlass CalaisS (2.5 L4 GAS)VIN: U, Notes: GAUGES CLUSTER(UB3), 3 BLADE
          1985ChevroletAstroBase (2.5 L4 GAS)Notes: 3 BLADE
          1985ChevroletAstroCL (2.5 L4 GAS)Notes: 3 BLADE
          1985ChevroletAstroCS (2.5 L4 GAS)Notes: 3 BLADE
          1985GMCSafariBase (2.5 L4 GAS)Notes: 3 BLADE
          1985GMCSafariSL (2.5 L4 GAS)Notes: 3 BLADE
          1985GMCSafariSLE (2.5 L4 GAS)Notes: 3 BLADE
          1985GMCSafariSLX (2.5 L4 GAS)Notes: 3 BLADE
          1986ChevroletAstroBase (2.5 L4 GAS)Notes: 3 BLADE
          1986GMCSafariBase (2.5 L4 GAS)Notes: 3 BLADE
          1991ChevroletLuminaBase (2.5 L4 GAS)VIN: R, Notes: GAUGES CLUSTER(UB3), 3 BLADE
          1991OldsmobileCutlass CalaisBase (2.5 L4 GAS)VIN: U, Notes: GAUGES CLUSTER(UB3), 3 BLADE
          1991OldsmobileCutlass CalaisGT (2.5 L4 GAS)VIN: U, Notes: GAUGES CLUSTER(UB3), 3 BLADE
          1991OldsmobileCutlass CalaisS (2.5 L4 GAS)VIN: U, Notes: GAUGES CLUSTER(UB3), 3 BLADE
          1991OldsmobileCutlass CieraBase (2.5 L4 GAS)VIN: R, Notes: GAUGES CLUSTER(UB3), 3 BLADE
          1991OldsmobileCutlass CieraS (2.5 L4 GAS)VIN: R, Notes: GAUGES CLUSTER(UB3), 3 BLADE
          1991Pontiac6000LE (2.5 L4 GAS)Notes: GAUGES CLUSTER(UB3), 3 BLADE
          1992ChevroletLuminaBase (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
          1992OldsmobileCutlass CieraBase (2.5 L4 GAS)VIN: R, Notes: GAUGES CLUSTER(UB3), 3 BLADE
          There are more vehicles this part is compatible with. Check if it fits your vehicle.
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          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.

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