Sierra 18-5816 Solenoid, Replaces Mercruiser 89-96054/89-96054B, Mercury 89-91975, Fits 454 Mag., 502 Mag. GM V-8

The Sierra 18-5816 is a flat-bracket 12-volt marine starter solenoid built to meet or exceed original equipment quality. It is a direct replacement for the Mercruiser 89-96054, 89-96054B, and 89-96054T solenoids as well as the Mercury 89-91975 and 89-96054 solenoids, and it cross-references to the Arco SW054, GLM 72390, and Mallory 9-15113. The solenoid features a compact metal housing measuring 4 x 2.6 x 2.3 inches and is rated for 12 volts DC at 1.77 watts.

This solenoid covers a wide range of GM V-8 sterndrive and inboard applications, including the 454 Mag., 454 Mag. MPI, 454 Mag. MPI MIE, 454 EFI Ski, 465, 500 Bulldog, and 502 Mag. And 502 Mag. Bravo/MPI engine families, spanning multiple model years and engine serial number ranges. Because fit is serial-number and model specific, buyers should confirm their engine's year and serial number against the fitment list before ordering. As with all Sierra parts, the 18-5816 is engineered to meet or exceed the performance of the original equipment part it replaces, making it a reliable choice for engine electrical system repairs and rebuilds.

Specifications

• Brand: Sierra
• Manufacturer Part Number: 18-5816
• Material: Metal
• Weight: 0.32 pounds
• Dimensions: 4 x 2.6 x 2.3 inches
• Voltage: 12 Volts (DC)
• Wattage: 1.77 watts
• Bracket Style: Flat Bracket
• Item Type: Solenoid
• UPC: 030999622167
• OEM Cross Reference: Arco SW054, GLM 72390, Mallory 9-15113, Mercruiser 89-96054B, Mercruiser 89-96054, Mercruiser 89-96054T, Mercury 89-91975, Mercury 89-96054

Fitment

• 454 Mag. GM V-8, 1986-1994, serial A631894-F304999
• 454 Mag. MPI GM V-8, 1994-1997, serial F115700-K999999
• 454 Mag. MPI GM V-8, 1998 and up, serial L010029 and up
• 454 Mag. MPI MIE GM V-8, 1996-1997, serial F820100-K999999
• 454 Mag. MPI MIE GM V-8, 1998 and up, serial L002200 and up
• 454 EFI Ski GM V-8, 1995-1996, serial F215800-F820099
• 465 GM V-8, 1990-1994, serial C849992-F213244
• 500 Bulldog GM V-8, 1990-1996, serial C577254 and up
• 502 Mag. Bravo GM V-8, 1990-1993, serial C878221-F114528
• 502 Mag. MPI GM V-8, 1993-1997, serial D840650-K999999
• 502 Mag. MPI GM V-8, 1998 and up, serial L017000 and up

Replaces (OEM)

• Arco SW054
• GLM 72390
• Mallory 9-15113
• Mercruiser 89-96054B
• Mercruiser 89-96054
• Mercruiser 89-96054T
• Mercury 89-91975
• Mercury 89-96054

Frequently Asked Questions

What does the Sierra 18-5816 solenoid replace? The Sierra 18-5816 replaces the Mercruiser 89-96054B, 89-96054, and 89-96054T solenoids as well as the Mercury 89-91975 and 89-96054 solenoids, and it also cross-references to the Arco SW054, GLM 72390, and Mallory 9-15113.

Will the 18-5816 fit a 502 Mag. MPI engine? Yes, the Sierra 18-5816 covers the 502 Mag. MPI GM V-8 for the 1993-1997 model years with serial numbers D840650 through K999999, as well as 1998-and-up units with serial number L017000 and up.

What are the dimensions of the Sierra 18-5816 solenoid? The 18-5816 measures 4 x 2.6 x 2.3 inches.

Is the 18-5816 a 12-volt solenoid? Yes, the Sierra 18-5816 is rated for 12 volts DC and draws 1.77 watts.

What is the Sierra 18-5816 solenoid made of? The 18-5816 solenoid housing is made of metal.

How much does the Sierra 18-5816 weigh? The Sierra 18-5816 weighs 0.32 pounds.

Is the Sierra 18-5816 a genuine OEM part or an aftermarket replacement? The 18-5816 is a Sierra aftermarket solenoid engineered to meet or exceed the original equipment quality of the Mercruiser and Mercury solenoids it replaces.

Does the 18-5816 have a flat mounting bracket? Yes, the Sierra 18-5816 is a flat-bracket style solenoid.

What serial number range does the 18-5816 cover for the 454 Mag.? For the 454 Mag. GM V-8, the 18-5816 covers 1986-1994 model years with engine serial numbers A631894 through F304999; separate serial ranges apply to the 454 Mag. MPI and MPI MIE variants.

Is the Sierra 18-5816 the same as Mercruiser part 89-96054? The Sierra 18-5816 is a direct replacement for Mercruiser 89-96054, along with 89-96054B and 89-96054T, meaning it is designed to install and perform in place of those parts.

What is included when I order the 18-5816? Ordering the Sierra 18-5816 includes one flat-bracket 12-volt solenoid.

Does the 18-5816 fit the 465 or 500 Bulldog engines? Yes, the 18-5816 fits the 465 GM V-8 for 1990-1994 with serial numbers C849992-F213244, and the 500 Bulldog GM V-8 for 1990-1996 with serial number C577254 and up.