Sierra / Mallory

Additional Details:

• Fits: MCM 4.3L, 5.0L, 5.7L & 6.2L MPI engines w/dry joint exhaust & closed cooling

Interchanges/Replaces

Mallory

• 9-43015

Mercruiser Stern Drive

• 864493

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-1508	GLM 85860 Mercruiser Stern Drive 25-807134 25-8071341	1	Thermostat Seal		N/A

Key Features:

• 160°
• Indmar GM and Ford Raw Water Cooled Engines

Additional Details:

• Fits: MCM 496 Mag & HO and MIE 8.1L & HO

Interchanges/Replaces

Indmar

• S985009

Mallory

• 9-43017

Mercruiser Stern Drive

• 863358T
• 8M0074922
• 8M0076464

Additional Details:

• Temperature Rating: 143°F

Use With:

• 18-3672: Thermostat Kit
• 18-3672D: Thermostat Kit (Display Pack)
• 18-43051: Theromstat Cover Kit

Interchanges/Replaces

GLM

• 13010

Mallory

• 9-43019

Mercury Marine

• 62981
• 66850
• 75692
• 75692B

Additional Details:

• Temperature Rating: 140°F
• Fits: MerCruiser 120/2.5L (s/n 2324347 & Up) w/cast iron exhaust manifolds
• Fits: Mercruiser 140-3.0L (s/n 0L340999 & below) and 165

Use With:

• 18-3650: Thermostat Kit
• 18-3650D: Thermostat Kit (Display Pack)

Interchanges/Replaces

Chrysler/Force/US Marine

• F84068
• F84068-1
• F84068-2
• F85068-2

GLM

• 13020

Mallory

• 9-43020

Mercruiser Stern Drive

• 59078
• 59078A1
• 59078B

Additional Details:

• Temperature Rating: 160°

Use With:

• 18-3653: Thermostat Kit
• 18-3653D: Thermostat Kit (Display Pack)

Interchanges/Replaces

GLM

• 13060

Mallory

• 9-43021

OMC Inboard

• 383307

OMC Stern Drive

• 379754
• 383307
• 3852216
• 3856961

Volvo Penta

• 3856961

Additional Details:

• Temperature Rating: 143

Interchanges/Replaces

GLM

• 13150

Johnson/Evinrude Outboard

• 436195

Mallory

• 9-43023

Additional Details:

• Temperature Rating: 143°F (62° C)
• Fits: MCM GM in-line 6 cyl.

Use With:

• 18-3669: Thermostat Kit
• 18-3669D: Thermostat Kit (Display Pack)
• 18-3626: Thermostat Kit

Interchanges/Replaces

Chrysler/Force/US Marine

• F335068

GLM

• 13080

Johnson/Evinrude Outboard

• 382385
• 396987

Mallory

• 9-43024

Mercruiser Stern Drive

• 47594

Volvo Penta

• 21148403

Additional Details:

• Size: 3/4" or 19.1mm
• Temperature Rating: 130° F

Interchanges/Replaces

Chrysler/Force/US Marine

• F97068
• F97068-1
• F97068-2

GLM

• 13200

Mallory

• 9-43025

Mercury Marine

• 895338

Additional Details:

• Temperature Rating: 130

Interchanges/Replaces

Johnson/Evinrude Outboard

• 5000355
• 5001036

Mallory

• 9-43030

Additional Details:

• Temperature Rating: 130

Interchanges/Replaces

Johnson/Evinrude Outboard

• 437090

Mallory

• 9-43031

Interchanges/Replaces

Johnson/Evinrude Outboard

• 435491
• 437090

Mallory

• 9-43032
• 9-43036

Additional Details:

• Temperature Rating: 122°F / 50°C

Use With:

• 18-3608: Thermostat Kit
• 18-3608D: Thermostat Kit (Display Pack)
• 18-3609: Thermostat Kit
• 18-3609D: Thermostat Kit (Display Pack)
• 18-43175: Thermostat Kit

Interchanges/Replaces

Mallory

• 9-43035

Yamaha Outboard

• 688-12411-00-00
• 688-12411-01-00
• 688-12411-10-00
• 688-12411-11-00
• 6E5-12411-10-00
• 6E5-12411-20-00
• 6E5-12411-30-00

Additional Details:

• Temperature Rating: 140°F / 60°C

Use With:

• 18-3611: Thermostat Kit

Interchanges/Replaces

Mallory

• 9-43037

Yamaha Outboard

• 66M-12411-00-00
• 66M-12411-01-00
• 6G8-12411-00-00
• 6G8-12411-01-00
• 6G8-12411-02-00
• 6G8-12411-03-00

Additional Details:

• Temperature Rating: 140

Interchanges/Replaces

GLM

• 13170

Johnson/Evinrude Outboard

• 394409
• 434137

Additional Details:

• Temperature Rating: 122°F / 50°C

Interchanges/Replaces

Yamaha Outboard

• 60V-12411-00-00
• 68V-12411-00-00

Additional Details:

• Temperature Rating: 130°F (54°C)

Use With:

• 18-3606: Thermostat Kit
• 18-3606D: Thermostat Kit (Display Pack)

Interchanges/Replaces

Mercury Marine

• 885599003
• 885599004
• 8855991
• 8M0057307

Additional Details:

• Temperature Rating: 143°F (62°C)

Use With:

• 18-3605: Thermostat Kit

Interchanges/Replaces

Mercury Marine

• 833072
• 833072003

Additional Details:

• Temperature Rating: 143°F

Use With:

• 18-3673: Thermostat Kit (V4 Crossflow)
• 18-3673D: Thermostat Kit (Display Pack)
• 18-3674: Thermostat Kit (V6 Crossflow)
• 18-3674D: Thermostat Kit (Display Pack)

Interchanges/Replaces

Johnson/Evinrude Outboard

• 378065
• 393659
• 434841
• 437414
• 5005440
• 508626

Additional Details:

• Temperature Rating: 160° (71 C)

Use With:

• 18-3670: Thermostat Kit
• 18-3670D: Thermostat Kit (Display Pack)
• 18-3621: Thermostat Kit

Interchanges/Replaces

GLM

• 13070

OMC Stern Drive

• 3853799
• 982554

Volvo Penta

• 3853799

Additional Details:

• Temperature Rating: 60°C / 140°F

Interchanges/Replaces

Honda Outboard

• 19300-ZW9-003