Position Sensor – Fits Volvo Penta KAD42A & KAMD42A Diesel Engines (Replaces 860993)
Position Sensor – Fits Volvo Penta KAD42A & KAMD42A Diesel Engines (Replaces 860993) is backordered and will ship as soon as it is back in stock.
Couldn't load pickup availability
Worry-free returns
Worry-free returns
You may return most new, unopened items within 7 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Delivery and Shipping
Delivery and Shipping
Free standard shipping on all orders under 1 KG
Position Sensor – Fits Volvo Penta KAD42A & KAMD42A Diesel Engi...
Product Details
This Position Sensor is a direct replacement component for Volvo Penta KAD42A and KAMD42A marine diesel engines. It monitors the exact position of engine components to ensure proper operation and performance.
This sensor is an aftermarket equivalent for Volvo Penta part numbers 860993, 860433, 860434, and 860435.
- Installation Type: Direct OEM replacement
- Engine Fuel Type: Diesel
- Warranty: 30-day aftermarket warranty
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number | Superseded By |
|---|---|---|
| Volvo Penta | 860433 | 860993 |
| Volvo Penta | 860434 | 860993 |
| Volvo Penta | 860435 | 860993 |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
| Brand | Model | Stroke | OEM Part No. | Notes |
|---|---|---|---|---|
| Volvo Penta | KAD42A | 4-Stroke | 860993 | Also replaces 860433, 860434, 860435 |
| Volvo Penta | KAMD42A | 4-Stroke | 860993 | Also replaces 860433, 860434, 860435 |
Technical Specs
- Product Type
- Position Sensor
- Installation
- Direct OEM replacement
- Fuel Type
- Diesel
- Dimensions
- 12.5 x 4.0 x 4.0
- Weight
- 0.29 kg (0.65 lbs)
- Warranty
- 30-day warranty (aftermarket)
What’s in the Box
- 1 x Position Sensor (860993)
Installation Notes
- Disconnect the vessel's battery and ensure the engine is completely cool.
- Locate the existing position sensor on the engine block.
- Carefully detach the electrical connector from the old sensor.
- Remove the mounting bolt(s) and gently extract the old sensor.
- Visually compare the new sensor to the old one to confirm an exact match.
- Install the new sensor, ensuring it is properly seated, and tighten the mounting hardware.
- Reconnect the electrical connector firmly.
- Reconnect the battery, start the engine, and check for proper operation and fault codes.
Troubleshooting & FAQ
How do I know if my position sensor is failing?
Common signs of a faulty position sensor include engine stalling, rough idling, poor acceleration, hesitation, or an active check engine light. A diagnostic scan can confirm the issue by reading specific fault codes related to the sensor.
Is this a plug-and-play part?
Yes, this sensor is designed as a direct, plug-and-play replacement for the specified models. It uses the factory mounting points and electrical connector with no modification required.
What does this sensor do on my engine?
The position sensor provides precise data on the rotational speed and position of engine components to the Engine Control Unit (ECU). This information is critical for managing ignition timing, fuel injection, and other vital engine functions.
OEM vs. Aftermarket?
This listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.
Shipping speed & cost?
We ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.
Warranty & returns?
Covered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused & in original condition). See our policy page or reach out for instructions.
Safety & Important Info
- Verify images/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.
- This is an aftermarket replacement, not an OEM component.
- Professional installation is recommended for safety and performance.
About Sea Sierra
- Pro-Grade Standards — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.
- Fast Global Fulfillment — Free standard delivery to most regions in 5–15 days.
- Manufacturer-Direct Value — Fair pricing without compromising on materials or QC.
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
