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Hella 003259491 - Engine Oil Pressure Switch
Product Overview
The Hella Engine Oil Pressure Switch 003259491 is a vital component designed to monitor the oil pressure within your European vehicle's engine, ensuring optimal performance and preventing potential damage due to inadequate lubrication. Engineered to OE standards, this premium-grade switch guarantees reliability and precision, making it a trusted choice for both DIY enthusiasts and professional technicians alike. With its durable construction, the Hella switch is built to withstand the rigors of everyday driving, providing peace of mind that your engine is protected. Choose Hella 003259491 for dependable performance and peace of mind every time you service your vehicle.
Cross Reference Numbers
This Hella 003259491 is equivalent to or replaces the following part numbers: 8801468, 90336039, SW90012, 7.0069, 1243, 09017, 55 354 378, 90 507 539, 70 541 060, J5610900, 12 52 557, 12 52 562, 12 52 570, 55 35 437, 55 35 4378, 90 33 603, 90 50 753, 90507539, 117 300, 50935, LOPS033, OPS2044, SOP002, V40-73-0001, 0910017, 5350661273.
Vehicle Compatibility
- Saab 9-5 3.0 V6 (1997–2003)
- Saab 900 2.5 V6 (1996–1997)
- Saab 9000 3.0 V6 (1996–1997)
This may also fit other applications. Please use the vehicle selector tool to verify fitment.
Why Shop at eEuroparts.com?
- Proven Expertise: Over 25 years of experience with European vehicles means we know your car inside and out.
- Exclusive Kits That Fitâ„¢ - complete repair solutions with no guesswork
- Fitment Confidence: Our accurate cataloging ensures you get the right part the first time.
- Fast, Reliable Shipping: Orders ship quickly from our U.S.-based warehouses.
- Transparent Pricing: Competitive prices with no hidden fees or surprise charges.
- Established Trust: Serving the European auto community since 2000.
Frequently Asked Questions
What does the Hella 003259491 Engine Oil Pressure Switch do?
The Engine Oil Pressure Switch monitors the oil pressure in your engine. It sends a signal to the vehicle's computer system, helping to ensure that the engine is receiving adequate lubrication, which is essential for preventing engine wear and failure.
How do I know if my Engine Oil Pressure Switch needs replacement?
Common signs that the engine oil pressure switch may need replacement include the oil pressure warning light illuminating on the dashboard, erratic oil pressure readings, or oil leaks around the switch area.
Can I install the Hella 003259491 myself?
Yes, the Hella 003259491 can be installed as a DIY project, but it is important to take necessary precautions. Ensure that all safety measures are followed, and consult your vehicle's service manual for specific installation instructions.
What are the symptoms of a faulty Engine Oil Pressure Switch?
Symptoms of a faulty engine oil pressure switch can include the oil pressure warning light coming on, fluctuating oil pressure readings, or oil leaking from the switch area. If you see DTCs such as P0520 or P0521, it may indicate a failing Engine Oil Pressure Switch.
Why should I choose Hella for my Engine Oil Pressure Switch needs?
Hella is a trusted brand known for its high-quality automotive components. Order Hella 003259491 today for a factory-correct replacement that restores safety and performance.
Note: All information on this page and in the FAQ is for general reference only. Verify fitment and consult a professional as needed. eEuroparts.com is not responsible for incorrect part selection or installation.
- BrandHella
- ManufacturerHella
- MPN003259491
- Part TypeEngine Oil Pressure Switch
- OE Part Numbers90336039, 55 354 378, 55354378
- Cross Reference Numbers55 354 378, 55354378, 90336039, 90 507 539, 90507539, J5610900, 50935, 12 52 570, 1252570, 09017, 90 50 753, 9050753, 55 35 4378, 12 52 562, 1252562, 70 541 060, 70541060, 90 33 6039, V40-73-0001, V40730001, 90 33 603, 9033603, 5350661273, SOP002, 12 52 557, 1252557, LOPS033, 0910017, 117 300, 117300, 7.0069, 70069, 8801468, SOB709, OPS2044, 55 35 437, 5535437, SW90012, 1243
- FeaturesAssy/Disassy by Qualified Personnel Required! : .
Combi Switch Function : Normally Closed Contact
Current Strength [A] : 0.25
Number of pins : 1
Original Part Color : Black
Pressure from [bar] : 0.35
Pressure to [bar] : 0.55
Spanner Size : 24
Thread Size : M14 x 1.5
Voltage [V] : 12
- Fitment
- Fitment TypeVehicle Specific
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 1996 | Saab | 900 | SE (2.5 V6 GAS) | Notes: 12V - 1-Pin Connector - Normally Closed Contact |
| 1996 | Saab | 9000 | CSE (3.0 V6 GAS) | Notes: 12V - 1-Pin Connector - Normally Closed Contact |
| 1997 | Saab | 900 | SE (2.5 V6 GAS) | Notes: 12V - 1-Pin Connector - Normally Closed Contact |
| 1997 | Saab | 9000 | CSE (3.0 V6 GAS) | Notes: 12V - 1-Pin Connector - Normally Closed Contact |
Warranty Overview
At eEuroparts, 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, contact customer support via Chat or Contact Us.
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 complete details, please see our full 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.





