Sierra / Mallory

Additional Details:

• For: MCM 370, 400, 325, 454, 502 Mag, 7.4L Bravo II & MIE 8.2L 1978-1997

Interchanges/Replaces

Mallory

• 9-61217

Mercruiser Stern Drive

• 27-52571
• 27-61782
• 27-805722A1
• 27-812712

Additional Details:

• Fits: MCM 4.3L/LX Gen II (1993-1996)

Interchanges/Replaces

GLM

• 30351

Mercruiser Stern Drive

• 27-824326

OMC Stern Drive

• 3850379
• 912979

Volvo Penta

• 3850379
• 912979

Interchanges/Replaces

GLM

• 33610

Johnson/Evinrude Outboard

• 329718

Mallory

• 9-60441

Interchanges/Replaces

GLM

• 35390

Johnson/Evinrude Outboard

• 328622

Mallory

• 9-60442

Additional Details:

• Fits: MCM/MIE GM V-8 (305 & 350 cid) engines (1986 & older)

Interchanges/Replaces

GLM

• 39690

Mercruiser Stern Drive

• 27-75611A1
• 27-75611A2

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-0518	Mercruiser Stern Drive 26-34217 FI1100152 OMC Stern Drive 3853132 3854956 914323 Volvo Penta 3853132 3854956 914323	16	Valve Stem Seal		N/A
18-0868	Chris-Craft 16.50-00232 GLM 30860 Mallory 9-61200 Mercruiser Stern Drive 27-17145 27-72637 FI1101296 FI5000232 FI5000263 OMC Stern Drive 3854269 985630 Volvo Penta 3854269	1	Intake Manifold Gasket Set		N/A
18-2553	GLM 31460 Mallory 9-60005 Mercruiser Stern Drive 27-47510 27-47510Q Osco 47510	1	Thermostat Cover Gasket		N/A
18-2554	GLM 31630 Mallory 9-60006 Mercruiser Stern Drive 27-41812 27-41812B 27-41812Q 27-90556 Osco 41812	2	Thermostat Cover Gasket		N/A
18-2844	Barr MC472748818 GLM 31510 Mallory 9-60010 Mercruiser Stern Drive 27-48818 27-488181 27-48818Q01	1	Thermostat Gasket		N/A
18-2845	Chris-Craft 16.11-01236 Crusader 91351 GLM 30353 Mallory 9-61300 Mercruiser Stern Drive 27-11999 27-34043 27-52202 FI1101236 FI5000161 OMC Stern Drive 912965	2	Valve Cover Gasket		N/A
18-2848	GLM 30380 Mallory 9-61004 Mercruiser Stern Drive 27-52457 27-524571 27-524572	2	Carburetor Base Gasket		N/A
18-2917	GLM 31560 GM 3701777 Mallory 9-60007 9-60007-10 Mercruiser Stern Drive 27-33179 27-53045 27-530451 27-53045B1 F10077105 FI1101276 FI1101291 FI5000096 OMC Inboard 3701777 OMC Stern Drive 3701777	1	Thermostat Gasket		N/A
18-3876	Chris-Craft 16.50-00250 Crusader 7057500 GLM 36160 GM 6269577 Mallory 9-63706 Mercruiser Stern Drive 27-34278 27-48330 27-75611 27-75611001 OMC Stern Drive 313201 3853380 910089 914971 Volvo Penta 3853380 841207 856474	2	Head Gasket		N/A
18-2949	Barr CHV-47-000 MC 47 27 33395 Crusader 96306 GLM 31100 Mercruiser Stern Drive 27-33395 27-33395B Osco CV-GH Volvo Penta 835966 856034	2	Exhaust Manifold Gasket

Key Features:

• For: GM 454 CID Engines, 325, 330, 340, 350 HP & 454 Magnums, 7.4L

Interchanges/Replaces

GLM

• 39170

Mallory

• 9-61201

Mercruiser Stern Drive

• 27-65184
• 27-8M0050224

OMC Inboard

• 352670

Additional Details:

• Fits: Small block GM 1955-1986

Key Features:

• Use to easily remove and install intermediate shift cables in Mercury drives

Additional Details:

• Fits: Mercruiser R/MR/Alpha/Gen II Drives

Interchanges/Replaces

Mallory

• 9-72005

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-3721	GLM 21170 Mallory 9-72004 9-72004-10 Mercruiser Stern Drive 11-21298 11-22178 11-24648 11-29241 11-33962 11-34933 11-82671015 Mercury Marine 11-134391 11-22178 11-34933 11-46355 11-82671015 11-859116 11-95702	6	Stainless Steel Locknut		N/A
NSS	Mercruiser Stern Drive 12-34567	6	Washer (.45x.87x.10)	No Image	N/A

Additional Details:

• Fits: MCM/MIE GM V-8 (305, 350 & 377 CID) Engines

Interchanges/Replaces

Mallory

• 9-33503

Mercruiser Stern Drive

• 806612T

OMC Stern Drive

• 3850357

Pleasurecraft

• R020027

Volvo Penta

• 22024631
• 3850357

Additional Details:

• Fits: MCM/MIE GM V-8 (454, 502, 540 & 572 CID) Engines

Interchanges/Replaces

Mallory

• 9-33500

Mercruiser Stern Drive

• 805544T
• 8M0077616

OMC Stern Drive

• 3854512

Volvo Penta

• 3854512

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

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

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

Interchanges/Replaces

OMC Stern Drive

• 3852648
• 3853329
• 911835
• 912920
• 914772

Volvo Penta

• 3852648
• 3853329

Additional Details:

• For: MCM rear engine mount

Interchanges/Replaces

GLM

• 19350

Mercruiser Stern Drive

• 11-863332
• 11-99298

Additional Details:

• Fits: 290, 290A, 290DP, SP-A, SP-A1 & SP-A2

Interchanges/Replaces

Volvo Penta

• 853223
• 876279

Interchanges/Replaces

GLM

• 35540

Johnson/Evinrude Outboard

• 331532

Mallory

• 9-60443

Interchanges/Replaces

Chrysler/Force/US Marine

• 31-812767A1

GLM

• 21541

Johnson/Evinrude Outboard

• 983892

Mercruiser Stern Drive

• 31-812767A1

Mercury Marine

• 31-812767A1
• 31-8M0103476
• 31-F506225
• FA506225

OMC Stern Drive

• 983892