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Bosch 0261231148 - Ignition Knock (Detonation) Sensor
Product Overview
The Bosch Ignition Knock (Detonation) Sensor, part number 0261231148, is engineered to provide reliable performance for your Porsche vehicle. This high-quality ignition sensor is designed to detect knocking or detonation in your engine, promptly signaling your vehicle's computer system to adjust timing and prevent potential engine damage. Built to withstand the harsh conditions of your engine, this sensor ensures optimal performance and longevity. By effectively detecting and preventing engine knocking, this sensor enhances your vehicle's fuel efficiency and performance. This leads to smoother acceleration, better fuel economy, and an extended engine lifespan. Whether you're a professional mechanic or a car enthusiast, the Bosch Ignition Knock Sensor is a critical component for maintaining the health and performance of your Porsche. Choose Bosch 0261231148 for dependable performance and peace of mind every time you service your vehicle.
Cross Reference Numbers
This Bosch 0261231148 is equivalent to or replaces the following part numbers: 99660612500
Vehicle Compatibility
- Porsche Cayenne 4.5 V8 (2005–2006)
- Porsche 911 3.6 H6 (2004–2005)
- Porsche Carrera GT 5.7 V10 (2004)
- Porsche Boxster 2.7 H6 (2000–2002)
- Porsche Boxster 3.2 H6 (2001–2003)
- Porsche 911 3.4 H6 (1999–2001)
- Porsche 911 3.6 H6 (2002–2003)
- Porsche 911 3.6 H6 (2003–2005)
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 Bosch 0261231148 Ignition Knock (Detonation) Sensor do?
The Bosch Ignition Knock Sensor detects any knocking or detonation in the engine, signaling the vehicle's computer system to adjust timing, thereby protecting the engine from damage and improving performance.
How do I know if my Ignition Knock (Detonation) Sensor needs replacement?
Common signs include engine knocking sounds, reduced engine performance, decreased fuel efficiency, and the illumination of the check engine light.
Can I install the Bosch 0261231148 myself?
Yes, the Bosch Ignition Knock Sensor can be a DIY installation for those with automotive knowledge. However, ensure you follow proper safety procedures and consult a repair manual for your specific vehicle model.
What are the symptoms of a faulty Ignition Knock (Detonation) Sensor?
Symptoms include engine knocking or pinging noises, poor acceleration, reduced fuel efficiency, and possible engine misfires. If you experience these issues, it is advisable to check the sensor's functionality.
Why should I choose Bosch for my Ignition Knock (Detonation) Sensor needs?
Choosing Bosch ensures you receive a factory-correct replacement that meets high standards of quality and reliability. Order Bosch 0261231148 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.
- BrandBosch
- ManufacturerBosch
- MPN0261231148
- Part TypeIgnition Knock (Detonation) Sensor
- OE Part Numbers99660612500
- FeaturesConnector Gender : Male
Connector Quantity : 1
Connector Shape : Rectangular
Material : Metal - Plastic
Mounting Type : Bolt On
Pulley Included : No
Solenoid Included : No
Terminal Gender : Male
Terminal Quantity : 2
Terminal Type : Blade
Wiring Harness Included : No
- Fitment
- Fitment TypeVehicle Specific
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 2006 | Porsche | Cayenne | S (4.5 V8 GAS) | |
| 2006 | Porsche | Cayenne | Turbo (4.5 V8 GAS) | |
| 2006 | Porsche | Cayenne | Turbo S (4.5 V8 GAS) | |
| 2005 | Porsche | Carrera GT | Base (5.7 V10 GAS) | |
| 2005 | Porsche | Cayenne | S (4.5 V8 GAS) | |
| 2005 | Porsche | Cayenne | Turbo (4.5 V8 GAS) | |
| 2005 | Porsche | 911 | Carrera (3.6 H6 GAS) | Notes: Body 996 |
| 2005 | Porsche | 911 | Carrera 4S (3.6 H6 GAS) | Notes: Body 996 |
| 2005 | Porsche | 911 | GT2 (3.6 H6 GAS) | Notes: Body 996 |
| 2005 | Porsche | 911 | GT3 (3.6 H6 GAS) | Notes: Body 996 |
| 2005 | Porsche | 911 | Turbo (3.6 H6 GAS) | Notes: Body 996 |
| 2005 | Porsche | 911 | Turbo S (3.6 H6 GAS) | Notes: Body 996 |
| 2004 | Porsche | Carrera GT | Base (5.7 V10 GAS) | |
| 2004 | Porsche | Boxster | Base (2.7 H6 GAS) | |
| 2004 | Porsche | Boxster | S (3.2 H6 GAS) | |
| 2004 | Porsche | Boxster | S Special Edition (3.2 H6 GAS) | |
| 2004 | Porsche | 911 | 40th Anniversary Edition (3.6 H6 GAS) | |
| 2004 | Porsche | 911 | Carrera (3.6 H6 GAS) | |
| 2004 | Porsche | 911 | Carrera 4 (3.6 H6 GAS) | |
| 2004 | Porsche | 911 | Carrera 4S (3.6 H6 GAS) | |
| 2004 | Porsche | 911 | GT2 (3.6 H6 GAS) | |
| 2004 | Porsche | 911 | GT3 (3.6 H6 GAS) | |
| 2004 | Porsche | 911 | Turbo (3.6 H6 GAS) | |
| 2004 | Porsche | Cayenne | S (4.5 V8 GAS) | |
| 2004 | Porsche | Cayenne | Turbo (4.5 V8 GAS) | |
| 2003 | Porsche | Cayenne | S (4.5 V8 GAS) | |
| 2003 | Porsche | Cayenne | Turbo (4.5 V8 GAS) | |
| 2003 | Porsche | Boxster | Roadster (2.7 H6 GAS) | |
| 2003 | Porsche | Boxster | Roadster S (3.2 H6 GAS) | |
| 2003 | Porsche | 911 | Carrera (3.6 H6 GAS) | |
| 2003 | Porsche | 911 | Carrera 4 (3.6 H6 GAS) | |
| 2003 | Porsche | 911 | Carrera 4S (3.6 H6 GAS) | |
| 2003 | Porsche | 911 | GT2 (3.6 H6 GAS) | |
| 2003 | Porsche | 911 | Turbo (3.6 H6 GAS) | |
| 2002 | Porsche | Boxster | Roadster (2.7 H6 GAS) | |
| 2002 | Porsche | Boxster | Roadster S (3.2 H6 GAS) | |
| 2002 | Porsche | 911 | Carrera (3.6 H6 GAS) | |
| 2002 | Porsche | 911 | Carrera 4 (3.6 H6 GAS) | |
| 2002 | Porsche | 911 | Carrera 4S (3.6 H6 GAS) | |
| 2002 | Porsche | 911 | GT2 (3.6 H6 GAS) | |
| 2002 | Porsche | 911 | Targa (3.6 H6 GAS) | |
| 2002 | Porsche | 911 | Turbo (3.6 H6 GAS) | |
| 2001 | Porsche | Boxster | Roadster (2.7 H6 GAS) | |
| 2001 | Porsche | Boxster | Roadster S (3.2 H6 GAS) | |
| 2001 | Porsche | 911 | Turbo (3.6 H6 GAS) | Aspiration: Turbocharged |
| 2001 | Porsche | 911 | Carrera (3.4 H6 GAS) | |
| 2001 | Porsche | 911 | Carrera 4 (3.4 H6 GAS) | |
| 2000 | Porsche | Boxster | Roadster (2.7 H6 GAS) | |
| 2000 | Porsche | Boxster | Roadster S (3.2 H6 GAS) | |
| 2000 | Porsche | 911 | Carrera (3.4 H6 GAS) | |
| 2000 | Porsche | 911 | Carrera 4 (3.4 H6 GAS) | |
| 1999 | Porsche | Boxster | Base (2.5 H6 GAS) | |
| 1999 | Porsche | 911 | Carrera (3.4 H6 GAS) | |
| 1999 | Porsche | 911 | Carrera 4 (3.4 H6 GAS) | |
| 1998 | Porsche | Boxster | Base (2.5 H6 GAS) | |
| 1997 | Porsche | Boxster | Base (2.5 H6 GAS) |
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.












