805320A03 Aftermarket Mercruiser Trim Sensor Kit MC-1, MR, Alpha One, Bravo | Sawley's Select Marine Parts

🔧 Product Description

Aftermarket replacement Trim Sender and Trim Limit Switch Kit - Replaces Part Number: 805320A03

New aftermarket two-sensor kit replacing MerCruiser 805320A03. It includes the trim-position sender and trim-limit switch fitted to the port and starboard sides of the gimbal housing.

⚙️ Key Features

• Complete sender and limit-switch pair

• Two-wire marine sensor design

• Supports MC-1, R, MR, Alpha One, Alpha One Gen II and Bravo drives

• Includes leads and mounting hardware according to kit manufacturer

• Requires adjustment after installation

🧰 Kit / Assembly Contents

• 1 × Trim-position sender assembly - supplied under kit P/N 805320A03

• 1 × Trim-limit switch assembly - supplied under kit P/N 805320A03

• 2 × Integrated wiring harnesses and grommets

• 1 × Mounting screw and sealing hardware set - supplied according to package

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 805320A03 (MerCruiser OEM sender/limit-kit reference)

OEM / Related Numbers:

• 805320A1

• 805320A2

Aftermarket / Verified Equivalents:

• Sierra: 18-7633

• GLM/Mallory trim sender and limit kit

• Recmar: REC805320A03

🚤 Compatibility

Commonly used on:

• MerCruiser sterndrive trim sender and limit systems

Typically suits:

• Engine / Drive models:

• MC-1, R and MR

• Alpha One Gen I and Alpha One Gen II

• Bravo I, Bravo II and Bravo III

• HP / Drive Range: Drive rating dependent

• System Type: Sterndrive trim-position and trim-limit electrical system

• Year Range: Drive-serial dependent

• Serial / Component Identification: Identify port/starboard switch positions and calibrate the trim limit after installation.

🔌 Function

The trim sender reports drive angle to the gauge while the trim-limit switch interrupts upward trim at the calibrated operating limit. The trailer function can then raise the drive beyond the normal trim range.

Common signs of failure / service requirement:

• Trim gauge reads incorrectly or intermittently

• Drive trims beyond the normal operating limit

• Trailer function or trim-limit circuit fails

• Sender housing, wiring or pivot arm is damaged

• Corroded terminals or incorrect switch adjustment

📦 Condition

• New aftermarket replacement part

• Brand new

• Supplied in original or equivalent packaging