Volvo Penta Trim Sender Sensor – Fits SX-M, SX-C, DP-S Models (Replaces 3594989, 3854842, 3861837, 3863129)
Volvo Penta Trim Sender Sensor – Fits SX-M, SX-C, DP-S Models (Replaces 3594989, 3854842, 3861837, 3863129) is backordered and will ship as soon as it is back in stock.
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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
Volvo Penta Trim Sender Sensor – Fits SX-M, SX-C, DP-S Models (Repl...
Product Details
This aftermarket Volvo Penta Trim Sender Sensor is engineered for specific Volvo Penta stern drive transom assemblies, including the SX-C, SX-C1, SX-C2, SX-M, DP-S, and DP-SM series manufactured from approximately 1998–2001. It ensures accurate trim position feedback to your vessel's gauges.
This part is a direct replacement for Volvo Penta OEM part numbers 3594989, 3854842, 3861837, and 3863129.
- Features easy, direct plug-and-play installation.
- Utilizes a standard 2-wire connection.
- Does not fit early model SX-S or late model SX-A and DPS-A stern drives.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number |
|---|---|
| Volvo Penta | 3594989 |
| Volvo Penta | 3854842 |
| Volvo Penta | 3861837 |
| Volvo Penta | 3863129 |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
This sensor is compatible with a wide range of Volvo Penta transom shield assemblies produced up to 2001. Please note that it will not fit early model SX-S or late model SX-A and DPS-A stern drives.
| Brand | Model | Years | OEM Part No. |
|---|---|---|---|
| Volvo Penta | DP-S | Up to 2001 | 3594989, 3854842, 3861837, 3863129 |
| Volvo Penta | DP-S1 | Up to 2001 | 3594989, 3854842, 3861837, 3863129 |
| Volvo Penta | DP-SM | Up to 2001 | 3594989, 3854842, 3861837, 3863129 |
| Volvo Penta | SX-C | 1998–2001 | 3594989, 3854842, 3861837, 3863129 |
| Volvo Penta | SX-C1 | Up to 2001 | 3594989, 3854842, 3861837, 3863129 |
| Volvo Penta | SX-C1AC | Up to 2001 | 3594989, 3854842, 3861837, 3863129 |
| Volvo Penta | SX-C2 | Up to 2001 | 3594989, 3854842, 3861837, 3863129 |
| Volvo Penta | SX-CT1 | Up to 2001 | 3594989, 3854842, 3861837, 3863129 |
| Volvo Penta | SX-M | Up to 2001 | 3594989, 3854842, 3861837, 3863129 |
| Volvo Penta | SX-MAC | Up to 2001 | 3594989, 3854842, 3861837, 3863129 |
| Volvo Penta | SX-R | Up to 2001 | 3594989, 3854842, 3861837, 3863129 |
| Volvo Penta | SX-RT1 | Up to 2001 | 3594989, 3854842, 3861837, 3863129 |
| Volvo Penta | SX-RT2 | Up to 2001 | 3594989, 3854842, 3861837, 3863129 |
| Volvo Penta | TSK A-32-NPT | Up to 2001 | 3594989, 3854842, 3861837, 3863129 |
| Volvo Penta | TSK A-52-NP | Up to 2001 | 3594989, 3854842, 3861837, 3863129 |
| Volvo Penta | TSK-A-42-NPT | Up to 2001 | 3594989, 3854842, 3861837, 3863129 |
| Volvo Penta | TSK DPS-C | Up to 2001 | 3594989, 3854842, 3861837, 3863129 |
| Volvo Penta | TSK SX | Up to 2001 | 3594989, 3854842, 3861837, 3863129 |
| Volvo Penta | TSK SX-A | Up to 2001 | 3594989, 3854842, 3861837, 3863129 |
| Volvo Penta | TSK SX-C | Up to 2001 | 3594989, 3854842, 3861837, 3863129 |
| Volvo Penta | TSK SX-C1 | Up to 2001 | 3594989, 3854842, 3861837, 3863129 |
| Volvo Penta | TSK SX-C1AC | Up to 2001 | 3594989, 3854842, 3861837, 3863129 |
| Volvo Penta | TSK SX-CLT M10 | Up to 2001 | 3594989, 3854842, 3861837, 3863129 |
| Volvo Penta | TSK SX-CLT1 | Up to 2001 | 3594989, 3854842, 3861837, 3863129 |
| Volvo Penta | TSK SX-M | Up to 2001 | 3594989, 3854842, 3861837, 3863129 |
| Volvo Penta | TSK SX-MAC | Up to 2001 | 3594989, 3854842, 3861837, 3863129 |
| Volvo Penta | TSK SX-MACLT | Up to 2001 | 3594989, 3854842, 3861837, 3863129 |
| Volvo Penta | TSK SX-MBAC | Up to 2001 | 3594989, 3854842, 3861837, 3863129 |
| Volvo Penta | TSK SX-MDA | Up to 2001 | 3594989, 3854842, 3861837, 3863129 |
| Volvo Penta | TSK SX-MDB | Up to 2001 | 3594989, 3854842, 3861837, 3863129 |
| Volvo Penta | TSK SX-MDC | Up to 2001 | 3594989, 3854842, 3861837, 3863129 |
| Volvo Penta | TSK SX-MHP | Up to 2001 | 3594989, 3854842, 3861837, 3863129 |
| Volvo Penta | TSK SX-MLT | Up to 2001 | 3594989, 3854842, 3861837, 3863129 |
| Volvo Penta | TSK SX-OXI-AACL | Up to 2001 | 3594989, 3854842, 3861837, 3863129 |
| Volvo Penta | TSK SX-OXI-ACC | Up to 2001 | 3594989, 3854842, 3861837, 3863129 |
| Volvo Penta | TSK SX-OXI-ACCL | Up to 2001 | 3594989, 3854842, 3861837, 3863129 |
| Volvo Penta | TSK SX-R | Up to 2001 | 3594989, 3854842, 3861837, 3863129 |
| Volvo Penta | TSK SX-R1 | Up to 2001 | 3594989, 3854842, 3861837, 3863129 |
| Volvo Penta | TSK SX-R2 | Up to 2001 | 3594989, 3854842, 3861837, 3863129 |
| Volvo Penta | TSK SX-S | Up to 2001 | 3594989, 3854842, 3861837, 3863129 |
| Volvo Penta | TSK SX-SLT | Up to 2001 | 3594989, 3854842, 3861837, 3863129 |
Technical Specs
- Product Type
- Trim Sender Sensor
- Connection
- 2-Wire
- Installation
- Direct plug & play, no modifications needed
- Product Dimensions
- 15.0" x 9.5" x 7.5" (L x W x H)
- Warranty
- 1 Year
What’s in the Box
- 1 x Trim Sender Sensor
Installation Notes
- Disconnect the boat's battery to prevent electrical shorts.
- Locate the old trim sender sensor on the transom assembly. Access may require tilting the stern drive.
- Carefully disconnect the 2-wire electrical connector.
- Remove the mounting hardware securing the old sensor and take note of its orientation.
- Install the new sensor, ensuring it is oriented correctly, and secure it with the original hardware.
- Reconnect the electrical plug, making sure it is sealed and secure.
- Reconnect the battery and test the trim gauge for proper operation throughout the full range of motion.
Troubleshooting & FAQ
How do I know if this trim sender will fit my Volvo Penta drive?
This sensor fits specific Volvo Penta models from approximately 1998 to 2001, including SX-C, SX-M, and DP-S series. It's crucial to check that your model is listed and that it is not an early SX-S or a late SX-A or DPS-A model, as this part is incompatible with those versions.
Is this a 2-wire or 3-wire sensor?
This is a 2-wire trim sender sensor. Please verify your existing setup requires a 2-wire connection before purchasing.
What are the signs of a failing trim sender?
Common symptoms include an erratic or non-functional trim gauge on your dashboard, the gauge being stuck at one position, or intermittent functionality as you trim the drive up or down.
Does this part require any special modifications to install?
No, this is a direct plug-and-play replacement. It is designed to fit and function just like the original part without any need for modifications.
My OEM part number isn't listed, but my model is. Will it fit?
This part is a direct replacement for OEM numbers 3594989, 3854842, 3861837, and 3863129. If your part number is different, we recommend cross-referencing with your service manual or contacting us to ensure compatibility, even if your model is listed.
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
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