Additional Details:

• For: AJ, KA, KB, KC, & KD Carburetors

Interchanges/Replaces

GLM

• 40470

Mallory

• 9-37302

Tillotson

• AJ-50A
• AJ-52A
• AJ-53A
• AJ-53AT
• AJ-54A
• AJ-54AT
• AJ-55AO
• AJ-55AT
• AJ-56A
• AJ-56AB
• AJ-57A
• KA-10A
• KA-10AT
• KA-11A
• KA-11AT
• KA-12A
• KA-12AT
• KA-13A
• KA-13AT
• KA-14A
• KA-14AT
• KA-15A
• KA-16A
• KA-16AT
• KA-17A
• KA-17AT
• KA-18A
• KA-18AT
• KA-19A
• KA-19AT
• KA-20A
• KA-21A
• KA-21AT
• KA-21B
• KA-21BT
• KA-21C
• KA-21CT
• KA-21D
• KA-21DT
• KA-22A
• KA-22B
• KA-22C
• KA-23A
• KA-24A
• KA-24AT
• KA-25A
• KA-26A
• KA-26B
• KA-27A
• KA-2A
• KA-2AT
• KA-5A
• KA-7A
• KA-7B
• KA-8A
• KA-8AT
• KA-9A
• KA-9AT
• KB-10A
• KB-11A
• KB-12A
• KB-14A
• KB-3A
• KB-3AT
• KB-4A
• KB-5A
• KB-6A
• KB-6B
• KB-7A
• KB-7B
• KB-8A
• KB-9A
• KC-10A
• KC-10AT
• KC-11A
• KC-11AT
• KC-13A
• KC-14A
• KC-14AT
• KC-15A
• KC-15AT
• KC-1A
• KC-1AT
• KC-2A
• KC-2AT
• KC-3A
• KC-3AT
• KC-4A
• KC-5A
• KC-5AT
• KC-5B
• KC-5BT
• KC-5BTA
• KC-5C
• KC-5CT
• KC-5CTA
• KC-6A
• KC-6AT
• KC-7A
• KC-7AT
• KC-7B
• KC-7BT
• KC-8A
• KC-9A
• KC-9B
• KC-9C
• KD-1A
• KD-1B
• KD-1BR
• KD-2A
• KD-4A
• KD-5A
• KD-6A
• KD-6AT
• KD-6B
• KD-6BT
• KD-7A
• KD-7B
• TC-1B

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-2572	GLM 31650 Mercury Marine 27-22023 27-63309	1	Carburetor Flange Gasket		N/A
18-2571	GLM 31300 Mercury Marine 27-31402	1	Carburetor Flange Gasket		N/A
18-7832	GLM 40130 Mercury Marine 1399-1136 1399-1754 1399-3938	1	Fuel Filter		N/A
18-2802	GLM 31500 Mercury Marine 27-48164 27-481641	1	Carburetor Mounting Gasket		N/A
18-2570	GLM 31280 Mercury Marine 27-25851 27-34614	1	Strainer Cover Gasket		N/A
18-2575	GLM 32190 Mercury Marine 1399-99	1	Carburetor Bowl Gasket		N/A
18-2569	GLM 31270 Mercury Marine 27-25849	1	Filter Cover Gasket		N/A
18-2568	GLM 31260 Mercury Marine 27-25848	1	Strainer Cover Screw Gasket		N/A
NSS	Mercury Marine 27-20183	1	Gasket, Carburetor Flange	No Image	N/A
18-7057	Chrysler/Force/US Marine 1399-1473 GLM 40920 Mercury Marine 1395-9258 1395-92581 1399-103A1 1399-1138 1399-1473 1399-934 Tillotson AJ-50A AJ-52A AJ-53A AJ-53AT AJ-54A AJ-54AT AJ-55AO AJ-55AT AJ-56A AJ-56AB AJ-57A CO-10A CO-10B CO-11A CO-1A CO-2A CO-3A CO-4A CO-4B CO-4C CO-4D CO-5A CO-6A CO-6B CO-6C CO-7A CO-7B CO-7C CO-8A CO-9A KA-10A KA-10AT KA-11A KA-11AT KA-12A KA-12AT KA-13A KA-13AT KA-14A KA-14AT KA-15A KA-16A KA-16AT KA-17A KA-17AT KA-18A KA-18AT KA-19A KA-19AT KA-20A KA-21A KA-21AT KA-21B KA-21BT KA-21C KA-21CT KA-21D KA-22A KA-22B KA-22C KA-23A KA-24A KA-24AT KA-25A KA-26A KA-26B KA-27A KA-2A KA-2AT KA-5A KA-7A KA-7B KA-8A KA-8AT KA-9A KA-9AT KB-10A KB-11A KB-12A KB-14A KB-3A KB-3AT KB-4A KB-5A KB-6A KB-6B KB-7A KB-7B KB-8A KB-9A KC-10A KC-10AT KC-11A KC-13A KC-14A KC-14AT KC-15A KC-15AT KC-1A KC-1AT KC-2A KC-2AT KC-3A KC-3AT KC-4A KC-5A KC-5AT KC-5B KC-5BT KC-5BTA KC-5C KC-5CT KC-5CTA KC-6A KC-6AT KC-7A KC-7AT KC-7B KC-7BT KC-8A KC-9A KC-9B KC-9C KD-1A KD-1B KD-1BR KD-2A KD-4A KD-5A KD-6A KD-6AT KD-6B KD-6BT KD-7A KD-7B RD-10A TC-1A TC-1B WA-13B WB-10A WB-10B WB-10C WB-10D WB-10E WB-11A WB-11B WB-12A WB-12B WB-13A WB-13C WB-13D WB-14A WB-14B WB-15A WB-15B WB-15C WB-15D WB-16A WB-16B WB-16C WB-16D WB-17A WB-17B WB-17C WB-19A WB-19B WB-19C WB-19D WB-1A WB-1B WB-1C WB-20A WB-20B WB-21A WB-21B WB-21C WB-22A WB-23A WB-24A WB-25A WB-26A WB-26B WB-27A WB-27B WB-28A WB-2A WB-2B WB-2C WB-30A WB-31A WB-3A WB-3B WB-3C WB-4A WB-4B WB-4C WB-5A WB-5B WB-6A WB-7B WB-8A WB-8B WB-8C WB-8D WB-9A WB-9B WB-9C WB-9D	1	Needle & Seat		N/A

Interchanges/Replaces

GLM

• 40435

Mallory

• 9-37308

Mercury Marine

• 1395-4808
• 1395-879194024
• 1399-1477
• 1399-1717
• 1399-2015
• 1399-3523
• 1399-3798
• 1399-5929

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-2572	GLM 31650 Mercury Marine 27-22023 27-63309	1	Carburetor Flange Gasket		N/A
18-2571	GLM 31300 Mercury Marine 27-31402	1	Carburetor Flange Gasket		N/A
18-2802	GLM 31500 Mercury Marine 27-48164 27-481641	1	Carburetor Mounting Gasket		N/A
18-2570	GLM 31280 Mercury Marine 27-25851 27-34614	1	Strainer Cover Gasket		N/A
18-2575	GLM 32190 Mercury Marine 1399-99	1	Carburetor Bowl Gasket		N/A
18-2569	GLM 31270 Mercury Marine 27-25849	1	Filter Cover Gasket		N/A
18-2568	GLM 31260 Mercury Marine 27-25848	1	Strainer Cover Screw Gasket		N/A
NSS	Mercury Marine 27-20183	1	Carburetor Flange Gasket	No Image	N/A

Key Features:

• Does not include head gaskets

Interchanges/Replaces

GLM

• 39330

Mercury Marine

• 27-55306A72
• 27-55306A73
• 27-55306A74
• 27-55306A75
• 27-78028A78

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-0105	GLM 31910 Mercury Marine 27-55306 27-78028 27-85489 27-85489-2 27-854891 27-856728	1	Baffle Plate to Block Gasket		N/A
18-0182	GLM 30610 Johnson/Evinrude Outboard 310058 Mallory 9-60002 Mercury Marine 27-62386 27-62386001 Mercury Race Outboard 27-62386001	1	Thermostat Gasket		N/A
18-0879	GLM 31400 Mallory 9-60042 Mercury Marine 27-37724 27-38501 27-385011	1	Adapter Plate Gasket		N/A
18-0914	GLM 30720 Mercury Marine 27-66847	1	Thermostat Cover Gasket		N/A
18-0938	GLM 31000 Mercury Marine 27-797971	1	Water Inlet Gasket		N/A
18-0940	GLM 32930 Mercury Marine 27-55308 27-78027 27-85488 27-854881 27-854882	1	Baffle Plate to Exhaust Gasket		N/A
18-0988	GLM 31640 Mallory 9-60058 Mercury Marine 27-37976 27-62860 27-628601	1	Powerhead Base Gasket		N/A
18-2802	GLM 31500 Mercury Marine 27-48164 27-481641	1	Carburetor Mounting Gasket		N/A
18-2805	GLM 31920 Mercury Marine 27-55307 27-74708 27-78029 27-85490 27-85490-2 27-854901 27-856729	1	Block Cover Gasket		N/A
18-2823	GLM 31060 Mallory 9-60039 Mercruiser Stern Drive 27-32769 Mercury Marine 27-19553 27-32769	1	Lower Water Pump Gasket		N/A
18-2824	GLM 31070 Mallory 9-60029 Mercury Marine 27-19551 27-32770	1	Upper Water Pump Gasket		N/A
18-2825	GLM 31080 Mallory 9-60030 Mercury Marine 27-32771	1	Water Pump Base Gasket		N/A
18-2838	GLM 31600 Mercury Marine 27-55279 27-552791	1	Transfer Port Cover Gasket		N/A
18-2841	GLM 31190 Mallory 9-60033 Mercury Marine 27-19552 27-77417	1	Water Pump Base Gasket		N/A
18-4261	GLM 31330 Mallory 9-78002 Mercury Marine 12-20262 19643 Mercury Race Outboard 12-20262	1	Washer		N/A
18-7115	GLM 82240 Johnson/Evinrude Outboard 302588 Mercruiser Stern Drive 25-20266 25-26722 Mercury Marine 25-20266 25-26722 OMC Stern Drive 302588	1	O-Ring		N/A
18-7143	GLM 81250 Johnson/Evinrude Outboard 331188 Mallory 9-76537 Mercruiser Stern Drive 25-65936 27-58025 391-5081 Mercury Marine 25-65936 OMC Stern Drive 322501 331188 Volvo Penta 3852169	2	O-Ring		N/A
18-7145	GLM 81080 Johnson/Evinrude Outboard 333572 Mallory 9-76500 Mercruiser Stern Drive 25-64068 Mercury Marine 25-64068 OMC Stern Drive 333572	3	O-Ring		N/A
18-7153	GLM 81180 Mallory 9-76505 Mercruiser Stern Drive 25-25439 Mercury Marine 25-25439 Mercury Race Outboard 25-25439 Mercury Race Sterndrive 25-25439 OMC Stern Drive 3852565 911851 Volvo Penta 3852565 997368	1	O-Ring		N/A
18-7155	Chrysler/Force/US Marine 25-26855 GLM 82230 Johnson/Evinrude Outboard 305270 Mallory 9-76541 Mercruiser Stern Drive 25-26855 Mercury Marine 25-26855 Yamaha Outboard 93210-41MJ2-00	1	O-Ring		N/A
18-7160	GLM 83340 Mallory 9-76545 Mercruiser Stern Drive 25-31986 Mercury Marine 25-31986	1	O-Ring		N/A
18-7167	Chrysler/Force/US Marine 785-97386 GLM 82390 Johnson/Evinrude Outboard 310414 Mallory 9-76549 Mercruiser Stern Drive 25-861844 785-97386 Mercury Marine 25-861844 785-97386 OMC Stern Drive 310414	1	O-Ring		N/A
18-7411	GLM 81240 Johnson/Evinrude Outboard 321921 Mercruiser Stern Drive 25-35480 25-8M2000816 Mercury Marine 25-35480 25-47386	1	O-Ring		N/A
18-7413	Chrysler/Force/US Marine 25-62702 25-F50342-1 F17510 F50342 GLM 80110 Johnson/Evinrude Outboard 303191 Mercruiser Stern Drive 25-62702 25-627021 Mercury Marine 25-22175 25-62702 Mercury Sport Jet 25-62702 OMC Stern Drive 303191	3	O-Ring		N/A
18-7414	GLM 80330 Mercury Marine 25-62384 25-64067 25-823683 Mercury Sport Jet 25-823683	1	O-Ring		N/A
18-7421	GLM 80070 Mercury Marine 25-16524 25-20415	1	O-Ring		N/A
18-7807	GLM 40320 Me cury Marine 55278A1	1	Fuel Pump Kit		N/A
NSS	Mercury Marine 25-62457	1	O-Ring	No Image	N/A
NSS	Mercury Marine 35-59072	1	Fuel Filter Screen	No Image	N/A
NSS	Mercury Marine 27-62396	1	Gasket	No Image	N/A
NSS	Mercury Marine 27-62716	1	Gasket	No Image	N/A