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Bosch 0261231232 - Ignition Knock (Detonation) Sensor
Product Overview
The Bosch 0261231232 Ignition Knock (Detonation) Sensor is designed to monitor engine knock, enhancing performance and efficiency by providing real-time feedback to the engine control unit. With OE-level quality and reliability, this sensor ensures a perfect fit for your vehicle, making it a trusted choice for various Hyundai and Kia models. Bosch is renowned for its commitment to automotive excellence, offering parts that meet or exceed original equipment standards. Choose Bosch 0261231232 for dependable performance and peace of mind every time you service your vehicle.
Cross Reference Numbers
This Bosch 0261231232 is equivalent to or replaces the following part numbers: 392503E120.
Vehicle Compatibility
- Hyundai Santa Fe 2.7 V6 (2006-2009)
- Kia Optima 2.7 V6 (2006-2010)
- Kia Rondo 2.7 V6 (2007-2010)
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 Bosch 0261231232 Ignition Knock Sensor?
The Bosch 0261231232 Ignition Knock Sensor detects engine knock and sends signals to the engine control unit to optimize performance and prevent engine damage.
What are the common symptoms of a failing ignition knock sensor?
Symptoms of a failing ignition knock sensor may include poor engine performance, decreased fuel efficiency, and illuminated check engine light. If you experience these issues, consider replacing with Bosch 0261231232.
Which vehicles are compatible with part number 392503E120?
This part number is compatible with various Hyundai and Kia models, specifically the Santa Fe, Optima, and Rondo, ensuring precise fitment and function.
What Diagnostic Trouble Codes (DTCs) are associated with ignition knock sensors?
Common DTCs related to ignition knock sensors include P0325, P0326, P0327, P0328, and P0330. If these codes appear, it may indicate a malfunctioning sensor like the Bosch 0261231232.
Why should I order the Bosch 0261231232?
Ordering the Bosch 0261231232 ensures you receive a factory-correct replacement that restores safety and performance. Don't compromise on quality; choose Bosch for your ignition knock sensor needs.
Order Bosch 0261231232 today for a factory-correct replacement that restores safety and performance.
- BrandBosch
- ManufacturerBosch
- MPN0261231232
- 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 : Yes
Wiring Harness Length : 361 - OE Part Numbers392503E120
- Part TypeIgnition Knock (Detonation) Sensor
- Fitment
- Fitment TypeVehicle Specific
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 2007 | Kia | Rondo | LX (2.7 V6 GAS) | Notes: Left Side |
| 2007 | Kia | Rondo | EX (2.7 V6 GAS) | Notes: Left Side |
| 2007 | Kia | Optima | LX (2.7 V6 GAS) | Notes: Left Side |
| 2007 | Kia | Optima | EX (2.7 V6 GAS) | Notes: Left Side |
| 2007 | Hyundai | Santa Fe | GLS (2.7 V6 GAS) | Notes: Left Side |
| 2010 | Kia | Rondo | LX (2.7 V6 GAS) | Notes: Left Side |
| 2010 | Kia | Rondo | EX (2.7 V6 GAS) | Notes: Left Side |
| 2010 | Kia | Optima | EX (2.7 V6 GAS) | Notes: Left Side |
| 2010 | Kia | Optima | LX (2.7 V6 GAS) | Notes: Left Side |
| 2010 | Kia | Optima | SX (2.7 V6 GAS) | Notes: Left Side |
| 2008 | Kia | Rondo | LX (2.7 V6 GAS) | Notes: Left Side |
| 2008 | Kia | Rondo | EX (2.7 V6 GAS) | Notes: Left Side |
| 2008 | Kia | Optima | EX (2.7 V6 GAS) | Notes: Left Side |
| 2008 | Kia | Optima | LX (2.7 V6 GAS) | Notes: Left Side |
| 2008 | Hyundai | Santa Fe | GLS (2.7 V6 GAS) | Notes: Left Side |
| 2009 | Kia | Rondo | LX (2.7 V6 GAS) | Notes: Left Side |
| 2009 | Kia | Rondo | EX (2.7 V6 GAS) | Notes: Left Side |
| 2009 | Kia | Optima | EX (2.7 V6 GAS) | Notes: Left Side |
| 2009 | Kia | Optima | LX (2.7 V6 GAS) | Notes: Left Side |
| 2009 | Kia | Optima | SX (2.7 V6 GAS) | Notes: Left Side |
| 2009 | Hyundai | Santa Fe | GLS (2.7 V6 GAS) | Notes: Left Side |
| 2006 | Kia | Optima | LX (2.7 V6 GAS) | VIN: 4, Notes: Left Side |
| 2006 | Kia | Optima | EX (2.7 V6 GAS) | VIN: 4, Notes: Left Side |
| 2006 | Hyundai | Santa Fe | GLS (2.7 V6 GAS) | Notes: Left Side |
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.








