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16 Results (Viewing 1 - 12 of 16)
CMI 496 E-Top Tall Polished Exhaust Header System, 2" Taller
Your Price:
$6,699.99

CMI 496 E-Top Polished Exhaust System, 2" Taller

650-13177

CMI 496 E-Top Tall Polished Exhaust Header System, 2" Taller

How to measure riser height

Direct Mercruiser replacement for your 496 Mag or 496 HO engine. 10-1/2" Stock Tall Riser Height. Polished. No additional custom tails to buy. You don’t need to remove your stock exhaust hose to install our kit, a true plug and play system.

Direct Mercruiser replacement for your 496 Mag or 496 HO engine.

No additional custom tails to buy. You don’t need to remove your stock exhaust hose to install this kit, a true plug and play system.

  • 1 7/8" id primary to get peak horse power and torque.
  • Mandrel bent and formed from High quality 316L grade material.
  • Fully post annealed to reduce stresses built up in the header during the manufacturing process
  • Seamless water jacketed header. No welded inner primaries or water jacketed tubes to crack and leak.
  • More water jacketed protection than your stock exhaust.
  • Approved by Mercruiser to not void warranty on the motor, with the exception of water reversion.
  • Same high quality semi automated welding as used on all racing applications
  • Cool collar patented flange design to eliminate the risk of getting water in the motor by the head flange
  • This kit is price competitive to other aluminum/stainless manifold systems with superior performance and extended life span in harsh marine environments.
  • No cast parts to crack, all CMI collectors are forged from American made stainless steel.
  • Works on 34.5" drive centers
  • Brings a race look to your stock engine.
  • Sophisticated engineering leaves your stock oil lines in place and only requires relocating your oil filter with a supplied bracket.
  • Step by step, do it yourself instructions using Mercury supplied engine schematics.
  • Exhaust Water Temperature Bungs Installed as Standard Equipment.
ALL CMI HEADERS ARE MADE TO ORDER AND SHIP FROM THE FACTORY IN 3-4 WEEKS
Water Pump Gasket 27-49110
Your Price:
$2.55

Water Pump Gasket 27-49110

700-31770

Water Pump Gasket (5 per pack) replaces MerCruiser part # 27-49110

For 700-15301, 454/502 Chevy

NGKBPR7HS-10@10 Mercruiser 33-17719547
Your Price:
$6.40

This Part has options, please click the button below to order.

NGKBPR7HS-10@10 Mercruiser 33-17719547

525-33-17719547

NGKBPR7HS-10 (Priced Each. Must be sold in quantities of 10) Mercruiser 33-17719547.

HARNESS-EXTENSION Mercruiser 84-898103177
Your Price:
$96.33

This Part has options, please click the button below to order.

HARNESS-EXTENSION Mercruiser 84-898103177

525-84-898103177

HARNESS-EXTENSION Mercruiser 84-898103177

TUBE Mercruiser 22-13177
Your Price:
$21.19

This Part has options, please click the button below to order.

TUBE Mercruiser 22-13177

525-22-13177

TUBE Mercruiser 22-13177

GUIDE Mercruiser 863177
Your Price:
$61.25

This Part has options, please click the button below to order.

GUIDE Mercruiser 863177

525-863177

GUIDE Mercruiser 863177

Johnson/Evinrude Rectifier
Your Price:
$44.22

Johnson/Evinrude Rectifier

462-667-1531778

See CDI catalog for complete application information.

Replaces: 173692, 18-5709, 581778

Sold: Each

Overhaul Gasket Set
Your Price:
$412.99

Overhaul Gasket Set

676-18-4387

Additional Details:

  • For: GM 454 (7.4L) CID Eng
  • Production Models: oval port

Interchanges/Replaces

GLM

  • 39020

Mallory

  • 9-61102

Mercruiser Stern Drive

  • 27-801853

List of Containing Parts

Sierra Item # OE/Competitor # Quantity Description Image Comments
18-3877Chris-Craft
  • 16.50-00259
Crusader
  • 30266
GLM
  • 36110
Mallory
  • 9-63701
Mercruiser Stern Drive
  • 27-13218
  • 27-13687
  • 27-19315
  • 27-49104
  • 27-61224
  • 27-8M0049045
  • 27-97529
OMC Stern Drive
  • 914849
2Head Gasket
18-0464GLM
  • 30350
Mallory
  • 9-61302
Mercruiser Stern Drive
  • 27-49121
  • 27-91831
OMC Stern Drive
  • 912768
2Valve Cover Gasket
18-2917GLM
  • 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
1Thermostat Gasket N/A
18-2844Barr
  • MC472748818
GLM
  • 31510
Mallory
  • 9-60010
Mercruiser Stern Drive
  • 27-48818
  • 27-488181
  • 27-48818Q01
1Thermostat Gasket N/A
18-0348GLM
  • 39490
Mallory
  • 9-61501
Mercruiser Stern Drive
  • 27-49107
  • 27-52550
  • FI1100229
  • FI5000229
  • FI5000245
OMC Inboard
  • 3931593
1Oil Pan Gasket Set N/A
18-0980GLM
  • 30440
Mercruiser Stern Drive
  • 27-49109
  • 27-54529
  • FI1100990
  • FI110990
OMC Inboard
  • 3935449
OMC Stern Drive
  • 3935449
1Timing Cover Gasket N/A
18-0903GLM
  • 31770
Mallory
  • 9-60066
Mercruiser Stern Drive
  • 27-49110
  • FI1101000
OMC Stern Drive
  • 3853361
  • 914874
Volvo Penta
  • 3853361
  • 856610
Yamaha Sterndrive
  • YSG-38600-39-G0
2Water Pump Gasket
18-0885-1Barr
  • MC472748042
GLM
  • 31480
Mercruiser Stern Drive
  • 27-48042
4Exhaust Elbow Gasket
18-2832-1Barr
  • MC47-27-48043
GLM
  • 31490
Mallory
  • 9-61424
Mercruiser Stern Drive
  • 27-48043
  • 27-480431
Osco
  • 48043
4Manifold End Cap Gasket
18-0418Barr
  • CHVA470000
  • MC47-27-46820
Crusader
  • 96653
GLM
  • 33760
Mallory
  • 9-61400
Mercruiser Stern Drive
  • 27-46820
OMC Inboard
  • 909613
OMC Stern Drive
  • 3852472
  • 909613
Osco
  • CW-GH
Volvo Penta
  • 3852472
2Exhaust Manifold Mounting Gasket
18-4022Mallory
  • 9-61652
Mercruiser Stern Drive
  • 26-49131
  • 26-67863
  • 26-75982
  • 26-75988
  • F3866612
  • FI1100968
  • FI1101117
16Valve Stem Seal
18-2848GLM
  • 30380
Mallory
  • 9-61004
Mercruiser Stern Drive
  • 27-52457
  • 27-524571
  • 27-524572
2Carburetor Base Gasket
18-0897Barr
  • MC 20 99208
  • MC47-27-41813
GLM
  • 30240
Mallory
  • 9-61413
Mercruiser Stern Drive
  • 27-41813
  • 27-860233
  • 27-863724
Osco
  • 8503-GR
2Exhaust Elbow Gasket
18-2849-1Barr
  • MC 47 27 87105
GLM
  • 32080
Mallory
  • 9-61414
Mercruiser Stern Drive
  • 27-818832
  • 27-860232
  • 27-863726
  • 27-87105
  • 27-871051
Osco
  • 8503-GO
4Exhaust Elbow Gasket
18-2554GLM
  • 31630
Mallory
  • 9-60006
Mercruiser Stern Drive
  • 27-41812
  • 27-41812B
  • 27-41812Q
  • 27-90556
Osco
  • 41812
2Thermostat Cover Gasket
Powerhead Gasket Set
Your Price:
$133.99

Powerhead Gasket Set

676-18-4303-1

Interchanges/Replaces

GLM

  • 39080

Johnson/Evinrude Outboard

  • 389556
  • 391300
  • 439085

Mallory

  • 9-64112

List of Containing Parts

Sierra Item # OE/Competitor # Quantity Description Image Comments
18-0102GLM
  • 33680
Johnson/Evinrude Outboard
  • 323469
1Exhaust Manifold Gasket N/A
18-0117GLM
  • 34300
Johnson/Evinrude Outboard
  • 317955
Mallory
  • 9-60435
1Exhaust Plate Gasket N/A
18-0134GLM
  • 34540
Johnson/Evinrude Outboard
  • 327707
Mallory
  • 9-60428
2Carburetor to Manifold Gasket
18-0850GLM
  • 34080
Johnson/Evinrude Outboard
  • 303615
Mallory
  • 9-60436
1Fuel Pump Gasket N/A
18-0953GLM
  • 34870
Johnson/Evinrude Outboard
  • 317951
1Water Passage Gasket N/A
18-0977GLM
  • 33650
Johnson/Evinrude Outboard
  • 321897
  • 332369
Mallory
  • 9-60448
2Thermostat Gasket N/A
18-0985GLM
  • 33630
Johnson/Evinrude Outboard
  • 321722
Mallory
  • 9-60417
1Air Silencer Gasket N/A
18-0991GLM
  • 33660
Johnson/Evinrude Outboard
  • 321907
4Leaf Plate Gasket N/A
18-2547GLM
  • 34450
Johnson/Evinrude Outboard
  • 322858
1Water Passage Cover Gasket N/A
18-2857GLM
  • 33750
Johnson/Evinrude Outboard
  • 319771
  • 386573
Mallory
  • 9-60463
2Air Silencer Gasket N/A
18-2864GLM
  • 33640
Johnson/Evinrude Outboard
  • 321727
  • 342513
Mallory
  • 9-60413
1Powerhead Base Gasket N/A
18-2866GLM
  • 34290
Johnson/Evinrude Outboard
  • 317914
Mallory
  • 9-60434
2Exhaust Cover Gasket N/A
18-2867GLM
  • 33180
Johnson/Evinrude Outboard
  • 319174
Mallory
  • 9-60438
1Manifold to Crankcase Gasket N/A
18-2873GLM
  • 33530
Johnson/Evinrude Outboard
  • 318335
Mallory
  • 9-60454
2Water Jacket Gasket N/A
18-2876GLM
  • 33280
Johnson/Evinrude Outboard
  • 307133
Mallory
  • 9-60426
OMC Stern Drive
  • 307133
4Bypass Cover Gasket N/A
18-2956GLM
  • 33540
Johnson/Evinrude Outboard
  • 318358
Mallory
  • 9-63828
2Head Gasket N/A
18-7133GLM
  • 82400
Johnson/Evinrude Outboard
  • 305123
  • 321119
Mallory
  • 9-76529
OMC Stern Drive
  • 305123
4O-Ring
18-2001GLM
  • 86030
Johnson/Evinrude Outboard
  • 0330137
  • 310600
  • 313398
  • 317761
  • 321463
  • 321668
Mallory
  • 9-76212
OMC Stern Drive
  • 310600
  • 313398
  • 321463
  • 330137
1Oil Seal N/A
18-2074GLM
  • 86440
Johnson/Evinrude Outboard
  • 318451
  • 322575
  • 339620
1Oil Seal N/A
18-8307GLM
  • 86790
Johnson/Evinrude Outboard
  • 0331103
1Lower Main Seal N/A
18-0999-9Johnson/Evinrude Outboard
  • 323459
1Inner Exhaust Gasket (Priced Per Pkg of 2) N/A
Lower Unit Seal Kit
Your Price:
$52.99

Lower Unit Seal Kit

676-18-2660

Interchanges/Replaces

GLM

  • 87601

Johnson/Evinrude Outboard

  • 0396349

Mallory

  • 9-74103

List of Containing Parts

Sierra Item # OE/Competitor # Quantity Description Image Comments
18-2001GLM
  • 86030
Johnson/Evinrude Outboard
  • 0330137
  • 310600
  • 313398
  • 317761
  • 321463
  • 321668
Mallory
  • 9-76212
OMC Stern Drive
  • 310600
  • 313398
  • 321463
  • 330137
2Oil Seal N/A
18-2059GLM
  • 86160
Johnson/Evinrude Outboard
  • 0321466
  • 313337
  • 318223
Mallory
  • 9-76205
1Oil Seal N/A
18-2064GLM
  • 86460
Johnson/Evinrude Outboard
  • 0332205
Mallory
  • 9-76213
1Oil Seal N/A
18-2537GLM
  • 86210
Johnson/Evinrude Outboard
  • 324937
1Exhaust Leg Seal N/A
18-2855GLM
  • 33420
Johnson/Evinrude Outboard
  • 314082
  • 320312
Mallory
  • 9-60404
1Shift Housing Gasket N/A
18-4248Johnson/Evinrude Outboard
  • 311598
Mallory
  • 9-60408
OMC Stern Drive
  • 311598
  • 3852105
Volvo Penta
  • 3852105
2Drain/Fill Plug Washer N/A
18-7120Chrysler/Force/US Marine
  • 25-25007
  • 25-38933
  • 25-F498618
  • 26-817469
  • 27-843672
  • F498619
GLM
  • 80090
Johnson/Evinrude Outboard
  • 307853
Mallory
  • 9-76526
Mercury Marine
  • 25-38933
Mercury Sport Jet
  • 25-38933
OMC Stern Drive
  • 307853
  • 332598
1O-Ring N/A
18-7127Chrysler/Force/US Marine
  • 25-32507
  • 25-F84305
  • F84304
GLM
  • 82370
Johnson/Evinrude Outboard
  • 313446
Mallory
  • 9-76527
Mercruiser Stern Drive
  • 25-32507
OMC Stern Drive
  • 313446
1O-Ring N/A
18-7128GLM
  • 81340
Johnson/Evinrude Outboard
  • 313754
Mallory
  • 9-76532
1O-Ring N/A
18-7137GLM
  • 45200
Johnson/Evinrude Outboard
  • 318372
Mallory
  • 9-76531
OMC Stern Drive
  • 318372
1O-Ring N/A
18-7145GLM
  • 81080
Johnson/Evinrude Outboard
  • 333572
Mallory
  • 9-76500
Mercruiser Stern Drive
  • 25-64068
Mercury Marine
  • 25-64068
OMC Stern Drive
  • 333572
2O-Ring N/A
18-7174Chrysler/Force/US Marine
  • 25-45711
  • 25-F455342
GLM
  • 81140
Johnson/Evinrude Outboard
  • 326649
  • 553127
Mallory
  • 9-76553
Mercruiser Stern Drive
  • 25-45711
Mercury Marine
  • 25-45711
Mercury Sport Jet
  • 25-45711
OMC Stern Drive
  • 326649
  • 553127
  • 910582
1O-Ring N/A
18-7475GLM
  • 86640
Johnson/Evinrude Outboard
  • 332584
Mallory
  • 9-76571
OMC Stern Drive
  • 332584
4O-Ring N/A
18-7158GLM
  • 81160
Johnson/Evinrude Outboard
  • 309731
  • 310585
Mallory
  • 9-76543
Mercruiser Stern Drive
  • 25-30613
  • 25-846357
Mercury Marine
  • 25-30613
  • 25-846357
OMC Stern Drive
  • 310585
  • 310967
1O-Ring N/A
18-7481GLM
  • 86570
Johnson/Evinrude Outboard
  • 324981
Mallory
  • 9-43632
1O-Ring N/A
Lower Unit Seal Kit
Your Price:
$64.99

Lower Unit Seal Kit

676-18-2692

Additional Details:

  • For: Johnson/Evinrude 85 V-4 1973-83, 90 V-4 1973-83, 100 V-4 1973-83, 110 V-4 1973-83, 115 V-4 1973-83

Interchanges/Replaces

GLM

  • 86712

Mallory

  • 9-74113

List of Containing Parts

Sierra Item # OE/Competitor # Quantity Description Image Comments
18-0110GLM
  • 33020
Johnson/Evinrude Outboard
  • 324670
Mallory
  • 9-60455
1Shift Housing Gasket N/A
18-2001GLM
  • 86030
Johnson/Evinrude Outboard
  • 0330137
  • 310600
  • 313398
  • 317761
  • 321463
  • 321668
Mallory
  • 9-76212
OMC Stern Drive
  • 310600
  • 313398
  • 321463
  • 330137
2Oil Seal N/A
18-2026GLM
  • 85040
Johnson/Evinrude Outboard
  • 0321453
  • 317843
Mallory
  • 9-76203
Mercruiser Stern Drive
  • 26-16977
  • 26-31507
  • 26-79884
  • 802276
Mercury Marine
  • 26-16977
  • 26-20465
  • 26-31507
  • 26-79884
  • 802276
2Oil Seal N/A
18-2874GLM
  • 33450
Johnson/Evinrude Outboard
  • 314876
1Solenoid Cover Gasket N/A
18-4248Johnson/Evinrude Outboard
  • 311598
Mallory
  • 9-60408
OMC Stern Drive
  • 311598
  • 3852105
Volvo Penta
  • 3852105
2Drain/Fill Plug Washer N/A
18-7109GLM
  • 80100
Johnson/Evinrude Outboard
  • 317178
OMC Stern Drive
  • 317178
4O-Ring N/A
18-7120Chrysler/Force/US Marine
  • 25-25007
  • 25-38933
  • 25-F498618
  • 26-817469
  • 27-843672
  • F498619
GLM
  • 80090
Johnson/Evinrude Outboard
  • 307853
Mallory
  • 9-76526
Mercury Marine
  • 25-38933
Mercury Sport Jet
  • 25-38933
OMC Stern Drive
  • 307853
  • 332598
1O-Ring N/A
18-7127Chrysler/Force/US Marine
  • 25-32507
  • 25-F84305
  • F84304
GLM
  • 82370
Johnson/Evinrude Outboard
  • 313446
Mallory
  • 9-76527
Mercruiser Stern Drive
  • 25-32507
OMC Stern Drive
  • 313446
1O-Ring N/A
18-7130GLM
  • 81380
Johnson/Evinrude Outboard
  • 314728
  • 354731
Mallory
  • 9-76528
OMC Stern Drive
  • 314728
  • 354731
1O-Ring N/A
18-7137GLM
  • 45200
Johnson/Evinrude Outboard
  • 318372
Mallory
  • 9-76531
OMC Stern Drive
  • 318372
1O-Ring N/A
Lower Unit Seal Kit
Your Price:
$19.99

Lower Unit Seal Kit

676-18-2691

Additional Details:

  • Fits: Johnson/Evinrude 85/100/125 (Large Prop Shaft) 1971-72

Interchanges/Replaces

GLM

  • 87611

Mallory

  • 9-74114

List of Containing Parts

Sierra Item # OE/Competitor # Quantity Description Image Comments
18-2001GLM
  • 86030
Johnson/Evinrude Outboard
  • 0330137
  • 310600
  • 313398
  • 317761
  • 321463
  • 321668
Mallory
  • 9-76212
OMC Stern Drive
  • 310600
  • 313398
  • 321463
  • 330137
2Oil Seal N/A
18-2059GLM
  • 86160
Johnson/Evinrude Outboard
  • 0321466
  • 313337
  • 318223
Mallory
  • 9-76205
2Oil Seal N/A
18-2874GLM
  • 33450
Johnson/Evinrude Outboard
  • 314876
1Solenoid Cover Gasket N/A
18-4248Johnson/Evinrude Outboard
  • 311598
Mallory
  • 9-60408
OMC Stern Drive
  • 311598
  • 3852105
Volvo Penta
  • 3852105
2Drain/Fill Plug Washer N/A
18-7109GLM
  • 80100
Johnson/Evinrude Outboard
  • 317178
OMC Stern Drive
  • 317178
4O-Ring N/A
18-7127Chrysler/Force/US Marine
  • 25-32507
  • 25-F84305
  • F84304
GLM
  • 82370
Johnson/Evinrude Outboard
  • 313446
Mallory
  • 9-76527
Mercruiser Stern Drive
  • 25-32507
OMC Stern Drive
  • 313446
1O-Ring N/A
18-7130GLM
  • 81380
Johnson/Evinrude Outboard
  • 314728
  • 354731
Mallory
  • 9-76528
OMC Stern Drive
  • 314728
  • 354731
1O-Ring N/A
16 Results (Viewing 1 - 12 of 16)