Crankshaft Position Sensor – Fits Volvo Marine & Truck D1-D6 Series (Replaces 21426987)
Crankshaft Position Sensor – Fits Volvo Marine & Truck D1-D6 Series (Replaces 21426987) is backordered and will ship as soon as it is back in stock.
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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.).
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Delivery and Shipping
Delivery and Shipping
Free standard shipping on all orders under 1 KG
Crankshaft Position Sensor – Fits Volvo Marine & Truck D1-D6 Se...
Product Details
This aftermarket Crankshaft Position Sensor – Fits Volvo Marine & Truck D1-D6 Series (Replaces 21426987) provides a reliable signal of the engine's rotational speed and position, which is critical for ignition timing and fuel injection. It is engineered to fit a range of Volvo Marine diesel engines, including the D1, D2, D3, D4, and D6 series, as well as Volvo Truck engines like the D13, and is compatible with the FH, FM, FL, and FE truck series.
This component serves as a direct replacement for Volvo OEM part numbers 21426987 and 20513343, ensuring a precise fit and function.
- Designed for direct OEM replacement, simplifying installation.
- Connects via a pre-wired electrical connector for secure data transmission.
- Constructed from high-grade Acrylonitrile Butadiene Styrene (ABS) for durability in harsh engine environments.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number |
|---|---|
| Volvo | 21426987 |
| Volvo | 20513343 |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
This sensor is designed for specific Volvo Penta marine engines. Please check your model against the list.
| Brand | Model | Stroke | OEM Part No. |
|---|---|---|---|
| Volvo Penta | D1 Series | 4-Stroke | 21426987 |
| Volvo Penta | D2 Series | 4-Stroke | 21426987 |
| Volvo Penta | D3 Series | 4-Stroke | 21426987 |
| Volvo Penta | D4 Series | 4-Stroke | 21426987 |
| Volvo Penta | D6 Series | 4-Stroke | 21426987 |
This component also fits various Volvo truck and industrial applications. Verify your model below.
| Brand | Model | Stroke | OEM Part No. | Notes |
|---|---|---|---|---|
| Volvo | D13 | 4-Stroke | 21426987 | Also listed as Crank Shaft Sensor |
| Volvo | FH16, FH12 | 4-Stroke | 21426987 | |
| Volvo | FM12 | 4-Stroke | 21426987 | |
| Volvo | FL/FE | 4-Stroke | 21426987 | |
| Volvo | EC210B, EC140B, EC240B, EC290B, EC360, EC460 (Excavators) | 21426987 | ||
| Volvo | B12B, B12M, B13R, B7R, B9L, B9R (Engines) | 4-Stroke | 21426987 |
Technical Specs
- Product Type
- Crankshaft Position Sensor
- Installation
- Direct OEM replacement
- Fuel Type
- Diesel
- Connection
- Electrical connector (wired)
- Housing Material
- Acrylonitrile Butadiene Styrene (ABS)
- Housing Color
- Black
- Dimensions
- 12.0" (L) x 11.0" (W) x 2.5" (H)
- Fitting Type
- Surface mount
- Output Type
- Electrical signal
What’s in the Box
- 1 x Crankshaft Position Sensor (21426987)
Installation Notes
- Disconnect the vehicle's negative battery terminal for safety.
- Locate the old crankshaft position sensor. It is typically mounted on the engine block near the flywheel or crankshaft pulley.
- Carefully disconnect the electrical harness from the sensor.
- Unscrew the mounting bolt and remove the old sensor from the engine.
- Clean the mounting surface to ensure a secure fit and proper reading.
- Install the new crankshaft position sensor, making sure it is properly seated.
- Tighten the mounting bolt to the manufacturer's recommended torque specification.
- Reconnect the electrical connector firmly.
- Reconnect the battery terminal.
- Start the engine, check for a stable idle, and clear any diagnostic trouble codes (DTCs) with a scan tool.
Troubleshooting & FAQ
How do I know if my crankshaft position sensor is failing?
Common signs of a faulty crankshaft sensor include intermittent stalling, engine misfires, rough idling, difficulty starting the engine, a reduction in power, or an illuminated check engine light. Diagnostic trouble codes such as P0335 often point to a sensor issue.
Where is this sensor located on a Volvo D-series engine?
The sensor's location can vary slightly by specific model, but it is generally found on the engine block, positioned to read the teeth of the flywheel or a reluctor wheel on the crankshaft.
Is any calibration required after installation?
No, this sensor is a plug-and-play component. It is designed to work directly with the vehicle's engine control unit (ECU) without needing any special programming or relearn procedures.
What is the difference between this sensor and the original OEM part?
This is an aftermarket part engineered to meet or exceed original equipment manufacturer (OEM) specifications for fit, function, and reliability. It provides a high-quality, cost-effective alternative to the genuine part.
Can a faulty sensor cause a no-start condition?
Yes, a completely failed crankshaft position sensor is a common cause of a "crank, no-start" condition. The ECU relies on the sensor's signal to time fuel injection and spark; without it, the engine will not run.
Is this sensor compatible with both marine and truck applications?
Yes, this specific part number is designed for cross-compatibility with a range of Volvo Penta marine engines (D1-D6 series) and certain Volvo truck engines (like the D13). Always confirm your specific model is listed in the compatibility tables.
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.
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