SKU: 59605316109

Trim Limit Sender Kit – Fits MerCruiser Alpha & Bravo Drives (Replaces 805320A03, 805320A1)

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Description

Trim Limit Sender Kit – Fits MerCruiser Alpha & Bravo Drives (Replaces 805320A03, 805320A1)Trim Limit Sender Kit Fits MerCruiser Alpha & Bravo Drives (Replaces 805320A03, 805320A1) This trim limit sender kit is designed for use with MerCruiser MC I, R, MR, Alpha One, Alpha One Gen II, and Bravo stern drives that are equipped with analog gauge instruments. It provides critical position feedback to the trim gauge and sets the upper trim limit. This component is a direct replacement for Quicksilver Mercury part number 805320A03, which

Trim Limit Sender Kit – Fits MerCruiser Alpha & Bravo Drives (Replaces 805320A03, 805320A1)

This trim limit sender kit is designed for use with MerCruiser MC-I, R, MR, Alpha One, Alpha One Gen II, and Bravo stern drives that are equipped with analog gauge instruments. It provides critical position feedback to the trim gauge and sets the upper trim limit.

This component is a direct replacement for Quicksilver/Mercury part number 805320A03, which supersedes older part numbers 805320A1, 17693A2, and 96863A15.

  • Direct Replacement: Installs in place of the original OEM unit with no modifications required.
  • Complete Kit: Includes the trim limit switch, wire leads, and adapters for older ring terminal connectors.
  • Compatibility: Specifically designed for transom assemblies using analog trim gauges.

Part Number Cross-Reference

Use this table to confirm equivalent part numbers across OEM and aftermarket brands.

Brand Part Number Superseded By
Quicksilver/Mercury 805320A1 805320A03
Quicksilver/Mercury 17693A2 805320A03
Quicksilver/Mercury 96863A15 805320A03
Quicksilver/Mercury 805320A03

Compatible Engine Models

Confirm your engine model/year in the table below. For Mercury owners, here’s a guide to help you identify your engine’s serial/model: Mercury Serial Number Guide. You can also review exploded diagrams to verify part numbers: Mercury Parts Diagrams & Catalog.

Brand Model OEM Part No. Notes
MerCruiser MC-I 805320A03
MerCruiser R 805320A03 Same as Pre-Alpha, Mod.1
MerCruiser MR 805320A03 Same as Alpha One Gen I
MerCruiser Alpha One 805320A03
MerCruiser Alpha One Gen II 805320A03
MerCruiser Bravo 805320A03 All Bravo models

Technical Specifications

Specification Value
Product Type Trim Limit Sender Kit
Installation Direct replacement for OEM unit
Compatible Instruments Analog gauges only
Application Alpha and Bravo transom assemblies
Housing Color Black
Connection Includes wire leads and adapters for ring terminal connectors
Other Technical Attributes Kit includes trim limit switch and wire leads

Package Contents

  • 1 x Trim Limit Sender Kit (Replaces 805320A03)
  • Wire Leads
  • Adapters for older style ring terminal connectors

Installation Guide

  1. Disconnect the boat's battery before beginning work.
  2. Locate the existing trim limit sender on the starboard side of the transom assembly.
  3. Carefully disconnect the two wire leads from the old sender.
  4. Remove the two mounting screws securing the sender switch.
  5. Remove the old sender unit and clean the mounting surface thoroughly.
  6. Position the new trim limit sender and secure it with the original or new screws. Do not overtighten.
  7. Connect the new wire leads. Use the included adapters if your boat has older-style ring terminal connectors.
  8. Ensure wires are routed safely and secured away from any moving parts to prevent damage.
  9. Reconnect the battery.
  10. Turn the ignition to the "On" position (without starting the engine) and test the trim gauge and limit switch functionality.

Troubleshooting & FAQ

Q: How do I know if this trim sender kit will fit my MerCruiser drive?
A: This kit is compatible with MerCruiser MC-I, R, MR, Alpha One (Gen I & II), and all Bravo stern drives that use analog gauge instruments. Please check the "Compatible Engine Models" table to confirm your model uses the OEM part number 805320A03.

Q: What are the common symptoms of a failing trim limit sender?
A: Common signs of failure include an inaccurate or non-functioning trim gauge, the gauge needle jumping erratically, or the drive trimming up but not stopping at the preset limit.

Q: My trim gauge doesn't work, but the drive still trims up and down. Is the sender the problem?
A: This kit contains both the trim limit switch (stops the drive) and the trim position sender (for the gauge). If only the gauge is failing, the sender portion is likely faulty, and this kit will resolve the issue.

Q: OEM vs. Aftermarket?
A: This listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.

Q: How fast do you ship and how much does it cost?
A: We offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.

Q: What is your warranty and return policy?
A: This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused & in original condition); please see our policy page or reach out for instructions.

Important Notes

  • Verify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.
  • This product is an aftermarket replacement part and is not an OEM component.
  • Professional installation is recommended to ensure safety and optimal performance.

Why Choose JLM MARINE?

  • Quality Assured: As a trusted manufacturer for over 20 years, we supply top marine brands globally.
  • Fast Global Shipping: Free delivery worldwide in 5–15 days.
  • Direct from Manufacturer: Competitive pricing without compromising quality.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 59605316109

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4.5 ★★★★★
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Ronda S
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★★★★★ 5
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Size: Large (Pack of 1), Color: Multi, Size: Large (Pack of 1), Color: Multi
Chuck It large Whistle balls, Absolutely love these great rubber balls, I think there is at least 20-25 balls all over my house, yard and in my boys toy box. At least one is trapped until fall on our ravine hill side, they do bounce high and off his snout for more travel time.!! (Over the fence and into ravine) I subscribe and save getting usually 1 or 2 a month, Really… makes it easy to find one, when they are everywhere!!😜 They are usually blue in color, once in awhile I get an orange one (which I prefer, easier to find in the grass/bushes) These do have a light whistle sound when throwing and my dog will change direction hearing where they are headed. These balls are very durable and last a very very long time. Actually I don’t think one has worn out.. lost yes…. Definitely get the large size, perfect for a med to large dog to play fetch forever!!
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coach
Battle Creek, US
★★★★★ 5
Love this ball!
Size: Large (Pack of 1), Color: Multi
My doberman and her dog friends love this large high bounce rubber fetch ball! She loves to chew it endlessly between throws and her Rottweiler buddy loves to do the same because it has a hole through it. I definitely recommend the large 3 inch ball for larger dogs.
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Reviewed in the United States on November 15, 2025
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Michael Murrell
Bozeman, US
★★★★★ 4
The orange ones are perfect!
Size: Medium (Pack of 2), Color: Assorted
I wish I could give 4 1/2 stars but it isn't possible. The reason why I don't give 5 stars is because no one sells these in a 2 pack of just orange balls. I was able to find blue only but not orange only. I have a pitbull and so does my good friend. We take our dogs out all the time and they absolutely love chasing these balls.... The orange ones to be exact. They will not play with or bring the blue balls back. They are a waste. I had to buy 2 packs to keep the oranges. I'm taking the blue ones to the local dog park and just dropping them off. Now to the reason these balls deserve 5 stars: They are super easy to throw and they also make a slight whistling noise when you throw them because of the holes. They are real easy to wash due to the material. Also, they are pretty indestructible. The only reason I'm ordering more is due to them being lost. Our dogs have never torn them apart. I'm sure they could if we let them, but we use these for chase, not as chew toys. My friend also tied a rope through one of the balls to throw and retrieve with the rope. He uses this as a fun indoor toy. These do not float in water but I buy other chuckit balls for that purpose. They have the orange balls with the blue stripe which work great in pools. The balls are awesome and I keep coming back for more. Hopefully your dogs like the blue balls.
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Reviewed in the United States on December 8, 2015
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Auskan
Port Orchard, US
★★★★★ 5
Worth the money
Size: Medium (Pack of 2), Color: Assorted
I've had several sizes of Chuck-It ball launchers for years but had resisted buying the balls to go with them because I had about 50 tennis balls already that cost only pennies apiece and these were quite a bit more expensive. But, I got tired of the dogs chewing up the tennis balls. I'd start a ball throwing session with a brand new ball and for the first few throws it would sail through the air and the dogs would have to work to retrieve it. However on the way back, their jaws would work it, chomp-chomp-chomp. And when they returned to me, they'd want to stand there and chomp some more, despite my command to "Drop it!" Within 30 minutes, the brand new ball would have a hole in it and then instead of sailing several football fields through the air, then bouncing over a couple of trees, I'd throw it and it would piddle unenthusiastically to the end of the driveway before falling to the ground with a sulky thud, not even bothering to bounce. So - I finally grew tired of going through a ball every time I play with the dogs - which is everyday - and ordered these chuck-it balls. They are the same size as a tennis ball but made of a rubber-like material (not silicone) and after several months of use, have no wear and tear on them at all. The dogs can exercise their gums on them all the way back to me - throw after throw - and the ball still flies the same distance each time, and bounces satisfyingly upon contact with the ground. The description says "colors may vary" but the first packet I ordered were blue and orange as pictured. Unfortunately my dog lost the orange one the first time we used it. She got thirsty and ran down to our pond for a drink, dropped the ball in the pond and it hasn't been seen since. It is dense enough it doesn't float as a tennis ball might, and by now is probably so covered in mud and slime that I wouldn't recognize it if I tripped over it. Lesson learned: we don't throw the ball in the pond pasture any more. After losing the orange ball, I ordered a second packet of the balls so that I would always have a spare. The second packet is also blue and orange. So while colors may vary, in my experience so far, they haven't (which doesn't matter to me or the dogs).
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Reviewed in the United States on March 1, 2015
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Dawn T Conway
Cuba, US
★★★★★ 5
Super Chewer Friendly!!
Size: Large (Pack of 1), Color: Multi
This ball is perfect for the super Chewer!! It is squishy and durable rubber that stands up to the aggressive chewer. It does not squeak. It has great bounce and is a great toy for fetch. Very cute to watching my pup bring the ball back for another throw. The rubber doesn't stick or have an average powering smell. It smells just like a rubber ball. It is highly functional for a great game of fetch! Highly recommend and very happy with our purchase. It is well worth the price. We will be ordering more.
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