Sierra / Mallory

Knock Sensor
Replaces: Mercruiser 805544T / Volvo 3854512
Fits: MCM/MIE GM V8 454, 502, 540, 572

These Mallory Marine ignition knock sensors maximize your engine's performance--regardless of fuel quality! The knock sensors hear various knock frequencies under many operating conditions to detect shifts and provide an accurate signal to your engine control module. The sensors meet or exceed OE requirements and reduce potential damage to your internal engine components

Additional Details:

• Fits: ALL Tiller Steer Models

Interchanges/Replaces

Johnson/Evinrude Outboard

• 398602

Interchanges/Replaces

GLM

• 33660

Johnson/Evinrude Outboard

• 321907

Interchanges/Replaces

GLM

• 34390

Johnson/Evinrude Outboard

• 321479

Interchanges/Replaces

GLM

• 33660

Johnson/Evinrude Outboard

• 321907

Interchanges/Replaces

GLM

• 33090

Johnson/Evinrude Outboard

• 321573
• 326260

Key Features:

• For use in supercharged Mercury Verado
• Semi-Synthetic formulation for superior protection under high loads and operating stress
• NMMA FC-W Certified/API-SL

Additional Details:

• Case Qty.: 12

Key Features:

• Multi-purpose spray lubricant for marine applications
• Ideal for lubricating shift components
• Perfect for miscellaneous applications where a light grease lubricant is required
• Water and heat resistant
• Prevents corrosion

Additional Details:

• Color: White
• Size: 12 oz. or 340g

Use With:

• 18-4206: Sterndrive Cover

Interchanges/Replaces

Volvo Penta

• 943218

Use With:

• 18-4206: Sterndrive Cover

Interchanges/Replaces

Volvo Penta

• 943218

Additional Details:

• Size: 5/8" - 18

Interchanges/Replaces

Chrysler/Force/US Marine

• 11-F1920
• F1348
• F1881

GLM

• 28360

Mallory

• 9-78117

Mercruiser Stern Drive

• 11-22339
• 11-36084
• 11-97522

Mercury Marine

• 11-22339

Additional Details:

• Size: 3/4" or 19.1mm - 16

Interchanges/Replaces

Johnson/Evinrude Outboard

• 310422

OMC Stern Drive

• 307866
• 310422
• 907866

Additional Details:

• For: MCM rear engine mount

Interchanges/Replaces

GLM

• 19350

Mercruiser Stern Drive

• 11-863332
• 11-99298

Interchanges/Replaces

OMC Stern Drive

• 3852648
• 3853329
• 911835
• 912920
• 914772

Volvo Penta

• 3852648
• 3853329

Additional Details:

• Size: 3/4" or 19.1mm - 16

Interchanges/Replaces

Johnson/Evinrude Outboard

• 310422

OMC Stern Drive

• 307866
• 310422
• 907866

Interchanges/Replaces

Johnson/Evinrude Outboard

• 385503

Mallory

• 9-51106

Additional Details:

• For: Cobra Drives 262, 302, 350, 432, 434, 502, 504, 574, 584

Interchanges/Replaces

OMC Stern Drive

• 911693

Additional Details:

• For: R Style

Interchanges/Replaces

GLM

• 17000

Mercruiser Stern Drive

• 1623-3489A1
• 1623-3646A1
• 1623-3646A4
• 1623-4110A3
• 1623-5356A4

Key Features:

• Includes tapered roller bearing for non-tractor 14/28 or 17/28 gears

Additional Details:

• Bore Size: 3.2635-3.2650
• For: MR/Alpha style

Interchanges/Replaces

GLM

• 18000

Mallory

• 9-79127

Mercruiser Stern Drive

• 1623-8951A15
• 1623-8951A27
• 1623-8951A37
• 1623-8951A5

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-2244	Chrysler/Force/US Marine 10-79953 10-79953A2 10-F50109 F40109 GLM 22420 Mallory 9-72650 Mercruiser Stern Drive 10-28634 10-28634A1 10-79953 10-79953A2 10-79953Q04 10-79953Q2 816610A1 816610A2 Mercury Marine 10-20259 10-28634 10-28634A1 10-79953 10-79953A2 10-79953Q04 10-79953Q2	1	Drain Screw		N/A
18-7176	Chrysler/Force/US Marine 25-90011 25-F74305 F694555 F74035 F74305-1 GLM 81390 Mallory 9-76554 Mercruiser Stern Drive 25-896523 25-90011 Mercury Marine 25-896523 25-90011	1	O-Ring		N/A
18-6093	GLM 12702 Mercruiser Stern Drive 806105A1 97-806105 97-806105Q1 97-806105T1	1	Anode		N/A
18-2914	GLM 31010 Mallory 9-60034 Mercruiser Stern Drive 27-32433 27-856081 27-8M0090319 Mercury Marine 27-30603 27-32433 27-85608 27-856081 27-8M0090319	1	Water Pump Gasket		N/A
18-1143	GLM 21580 Mallory 9-75107 Mercruiser Stern Drive 31-36387A1 Mercury Marine 31-36387A1	1	Tapered Roller Bearing		N/A
18-2376	Mallory 9-72602 Mercruiser Stern Drive 73020A20 818763A10 818763A4	1	Carrier Bearing		N/A
18-2285	GLM 23220 Mercruiser Stern Drive 15-35931A1 15-47397A1 Mercury Marine 15-47397A1	1	Shim Set		N/A
18-7159	GLM 83440 Mallory 9-76544 Mercruiser Stern Drive 25-31534 25-48451 Mercury Marine 25-31534	1	O-Ring		N/A
18-1117	Chrysler/Force/US Marine 31-42647A1 31-F694057 GLM 21610 Johnson/Evinrude Outboard 387817 5007751 Mallory 9-75121 Mercruiser Stern Drive 31-42647 31-42647A1 Mercury Marine 31-42647A1 OMC Stern Drive 387817	1	Pinion Bearing		N/A
18-3199	GLM 21870 Mallory 9-78115 Mercruiser Stern Drive 93423 934231 934233	1	Water Pickup		N/A
18-3198	GLM 21880 Mallory 9-78114 Mercruiser Stern Drive 93424 934241 934243	1	Water Pickup		N/A
18-3197	GLM 12822 Mallory 9-78130 Mercruiser Stern Drive 10-67373 10-76156 Mercury Marine 10-76156	1	Water Pick-Up Insert Screw		N/A
18-2915	GLM 31020 Mallory 9-60035 Mercruiser Stern Drive 27-32434 27-856091 27-858524 Mercury Marine 27-30604 27-32434 27-85609 27-856091 27-858524	1	Water Pump Gasket		N/A
18-2919	GLM 31050 Mallory 9-60031 Mercruiser Stern Drive 27-426311 Mercury Marine 27-42631 27-426311	1	Water Pump Gasket		N/A
18-6011	Honda Outboard 41107-ZW1-003ZA Mercruiser Stern Drive 31640 316404 31640A1 97-31640Q4 Mercury Marine 31640 316403 316404 31640A1 31640A2 31640A4 31640B4 72436A1 97-31640Q4	1	Anode		N/A
18-2945	Chrysler/Force/US Marine 12-19183 F50556 F8077 F8186 Johnson/Evinrude Outboard 307552 Mallory 9-60101 9-60102 Mercruiser Stern Drive 12-19183 12-191832 12-191833 12-19183B 12-20260 12-20260B Mercury Marine 12-19183 12-191832 12-191833 12-20260	1	Drain Screw Gasket		N/A
18-6245	GLM 21740 Mercruiser Stern Drive 10-32470 Mercury Marine 10-32470 10-47580 10-74728	1	Anode Mounting Bolt		N/A
NSS	Mercruiser Stern Drive 10-806290	2	Screw (#10-32 x 5/8")	No Image	N/A
NSS	Mercruiser Stern Drive 11-45812 11-859124	1	Locknut	No Image	N/A

Interchanges/Replaces

GLM

• 33511

Johnson/Evinrude Outboard

• 324449