OMC Sterndrive/Cobra Rotors

Refine Parts List
HP/ CID/ Model/ Liter

Year

(1964 - Up)

HP/ CID/ Model/ Liter

Year

Cyl.

Distributor

Sierra Rotor

Mallory Rotor

2.3L1987-19904Mallory(2)18-5404-1 9-29207
2.3L19904Prestolite18-5403 9-29203
2.5L1981-19864982351(5)18-5418 9-29202
3.0L1982-19904982351(14)18-5418 9-29202
3.0L1990-UP4-18-5406 9-29220
3.8L1981-19866982846(15)18-5403 9-29203
3.8L1981-19866983203(15)18-5403 9-29203
4.3L1985-19906-18-5403 9-29203
5.0L (GM)1981-1988898345318-5404-1 9-29207
5.0L (GM)1983-19888IBM-7013C(2)18-5403 9-29203
5.0L (GM)1979-19828-18-5407 9-29201
5.0L (Ford)1989-19908-18-5403 9-29203
5.0L1991-19928-18-5403 9-29203
5.0L (Ford)19938Ford18-5413 -
5.7L1982-19908983453(1)18-5404-1 9-29207
5.7L1982-19908IBM-7013C18-5403 9-29203
5.7L1991-19928-18-5403 9-29203
5.8L (Ford)1989-19908-18-5403 9-29203
5.8L (Ford)1991-19928-18-5403 9-29203
5.8L (Ford)19938Ford18-5413 -
7.5L19878-18-5407 9-29201
7.5L1987-19898-18-5403 9-29203
1001972-1973438472018-5418 9-29202
1001972-19734979856(16)18-5418 9-29202
1001972-19734980500(15)18-5418 9-29202
1001972-1973498235118-5418 9-29202
11019644-18-5418 9-29202
1201965-19864383581(5)18-5418 9-29202
1201965-19864384258(5)18-5418 9-29202
1401973-19894980500(5)18-5418 9-29202
1401973-19894982351(5)18-5418 9-29202
1501964-196661110309(5)18-5419 9-29204
1501964-1966622(5)18-5419 9-29204
1551967-197261110376(5)18-5419 9-29204
1651972-19766980156(5)18-5418 9-29202
17019748-18-5407 9-29201
1751975-19778980902(5)18-5407 9-29201
1851967-19688381775(5)18-5411 9-29210
1851978-19808981659(5)18-5404-1 9-29207
1851978-19808982320(5)18-5407 9-29201
1901974-19778980902(16)18-5407 9-29201
2001979-19888981659(5)18-5404-1 9-29207
2001979-19828982320(5)18-5407 9-29201
2101968-19728381775(5)18-5411 9-29210
21519718-18-5411 9-29210
22519788981659(5)18-5404-1 9-29207
22519788982320(2)18-5404-1 9-29207
2251972-19768381775(16)18-5411 9-29210
2301979-19888981659(2)18-5404-1 9-29207
2301979-19828982320(2)18-5407 9-29201
230 I.B.1975-19768381775(2)18-5411 9-29210
23519718-18-5411 9-29210
2351975-19778981080(2)18-5407 9-29201
24019788981080(2)18-5407 9-29201
2451972-19758381775(16)18-5411 9-29210
250 I.B.1970-19748-18-5411 9-29210
25019798981080(2)18-5407 9-29201
260 I.B.1975-19768384193(16)18-5411 9-29210
2601979-19828981659(16)18-5404-1 9-29207
2601979-19828982320(2)18-5407 9-29201
262 CID19896-18-5403 9-29203
290 Jet1974-19758-18-5411 9-29210
305 I.B.1977-19798980680(2)18-5411 9-29210
305 I.B.1980-19828981659(2)18-5404-1 9-29207
305 I.B.1980-19828982320(16)18-5404-1 9-29207
350 I.B.1977-19798981659(16)18-5411 9-29210
350 I.B.1980-19828982320(2)18-5404-1 9-29207
350 CID1988-19898-18-5404-1 9-29207
350 CID1988-19898-18-5403 9-29203
454 I.B.1977-19798-18-5411 9-29210
454 I.B.1980-19828981659(2)18-5404-1 9-29207
454 I.B.1980-19828982320(2)18-5404-1 9-29207
460 CID1988-19898-18-5403 9-29203

HP/ CID/ Model/ Liter

Year

Cyl.

Distributor

Sierra Rotor

Mallory Rotor

Notes:
(1) : Not applicable
(2) : Mallory
(5) : Delco
(14) : Delco, '90 Models point ignition only
(15) : Prestolite, Models w/distributor cap hold down screw
(16) : Prestolite, Models w/distributor cap hold down spring clip
Refine Parts List
HP/ CID/ Model/ Liter

Year

(1964 - Up)
Blowout
Save 10%-25% Off.
Rotor - Sierra
Your Price: $7.99
Save: $1.37
(14% Off $9.36)
Part # 18-5403
No Reviews | Write Review
Replaces OEM part #
  • CRUSADER 41074
  • CRUSADER 41089
  • PLEASURECRAFT R103004
  • MERCURY MARINE 392-9089
  • MERCURY MARINE 392-9089T
  • MERCURY MARINE 392-9767
  • OMC 982880
  • VOLVO 3853801
  • VOLVO 841907-9
  • VOLVO 855845-4
Rotor - Sierra
Your Price: $5.99
Save: $1.03
(14% Off $7.02)
Part # 18-5404-1
Replaces OEM part #
  • CHRIS-CRAFT 16.69-00149
  • CHRYSLER INBOARD 868096
  • CRUSADER 20223
  • PLEASURECRAFT R103001
  • MERCURY MARINE 391-5088
  • MERCURY MARINE 391-7057
  • MERCURY MARINE 391-7057T
  • OMC 982211
Rotor - Sierra
Your Price: $9.99
Save: $3.23
(24% Off $13.22)
Part # 18-5405
Replaces OEM part #
  • CRUSADER 38071
  • MERCURY MARINE 808484
  • MERCURY MARINE 808484 1
  • OMC 3854549
  • VOLVO 3854549-7
Use with 18-5354 Distributor Cap. Fits New GM style "Module in Cap" distributors - V-8 application
Rotor - Sierra
Your Price: $4.99
Save: $0.29
(5% Off $5.28)
Part # 18-5406
Replaces OEM part #
  • MERCURY MARINE 811636
  • MERCURY MARINE 811636 1
  • OMC 986651
  • VOLVO 3854261-9
Use with 18-5361 Distributor Cap

3.0L LX
Rotor - Sierra
Your Price: $8.99
Save: $1.07
(10% Off $10.06)
Part # 18-5407
No Reviews | Write Review
Replaces OEM part #
  • CHRYSLER INBOARD 1658535
  • CRUSADER 41059
  • PLEASURECRAFT R103003
  • MERCURY MARINE 392-6326
  • MERCURY MARINE 392-6326T
  • OMC 980892
Rotor - Sierra
Your Price: $6.99
Save: $1.36
(16% Off $8.35)
Part # 18-5408
No Reviews | Write Review
Replaces OEM part #
  • MERCURY MARINE 850485
  • MERCURY MARINE 850485 1
  • OMC 3854311
  • VOLVO 3854311-2
Use with 18-5362 Distributor Cap. Fits new GM Style "Module in Cap" Distributors V6 Applications
Rotor - Sierra
Your Price: $10.99
Save: $1.70
(13% Off $12.69)
Part # 18-5411
No Reviews | Write Review
Replaces OEM part #
  • CHRIS-CRAFT 16.69-00042
  • CRUSADER 1003318
  • CRUSADER 12531
  • OMC 982342
  • VOLVO 841243-9
Rotor for Volvo Penta, OMC Sterndrive/Cobra 987986 - Sierra
Your Price: $12.99
Save: $2.18
(14% Off $15.17)
Part # 18-5413
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Replaces OEM part #
  • OMC 987986
For:
  • 5.0L FI, FL,
  • 5.8L Fl, FI, FSI
Rotor - Sierra
Your Price: $3.99
Part # 18-5418
Replaces OEM part #
  • CHRIS-CRAFT 16.69-00051
  • MERCURY MARINE 58217
  • OMC 384735
For 4 Cyl. (1969-70) Atomic Four
Rotor - Sierra
Your Price: $7.99
Save: $1.05
(11% Off $9.04)
Part # 18-5419
Hurry! Only 1 left in stock
No Reviews | Write Review
Replaces OEM part #
  • OMC 380542
  • VOLVO 818525-8
For 6 Cyl. (1963-65) Super Sabre
Mallory Rotor 9-29221
Mallory Rotor 9-29221
Spring Sale Price: $6.29
Save: $2.06
(24% Off $8.35)
Part # 9-29221
No Reviews | Write Review
Replaces GLM #:71110
Replaces Original Equipment Manufacturer(OEM):Merc / OMC / Volvo
Replaces Original Equipment Manufacturer # (OEM #):850485, 850485 1, 3854311
Fits Application:V-6 Delco
Mallory Rotor 9-29220
Mallory Rotor 9-29220
Spring Sale Price: $4.49
Save: $0.79
(14% Off $5.28)
Part # 9-29220
Replaces GLM #:71120
Replaces Original Equipment Manufacturer(OEM):Merc / OMC / Volvo
Replaces Original Equipment Manufacturer # (OEM #):811636 1
Fits Application:3.0LX w/Delco Ignition
Mallory Rotor 9-29210
Mallory Rotor 9-29210
Spring Sale Price: $9.89
Save: $2.80
(22% Off $12.69)
Part # 9-29210
No Reviews | Write Review
Replaces Original Equipment Manufacturer(OEM):Crusader, Chriscraft, OMC, Volvo
Replaces Original Equipment Manufacturer # (OEM #):12531
Fits Application:Multiple
Mallory Rotor 9-29209
Mallory Rotor 9-29209
Spring Sale Price: $9.89 (Out of stock)
Save: $3.33
(25% Off $13.22)
Part # 9-29209
No Reviews | Write Review
Replaces GLM #:71100
Replaces Original Equipment Manufacturer(OEM):Merc / OMC / Volvo / Crusader
Replaces Original Equipment Manufacturer # (OEM #):808484-1
Fits Application:Multiple
Mallory Rotor 9-29207
Mallory Rotor 9-29207
Spring Sale Price: $5.39 (Out of stock)
Save: $1.63
(23% Off $7.02)
Part # 9-29207
No Reviews | Write Review
Replaces GLM #:71040
Replaces Original Equipment Manufacturer(OEM):Merc / OMC / Volvo / PCM / Crusader
Replaces Original Equipment Manufacturer # (OEM #):391-7057T
Fits Application:Multiple
Mallory Rotor 9-29204
Mallory Rotor 9-29204
Spring Sale Price: $7.19
Save: $1.85
(20% Off $9.04)
Part # 9-29204
No Reviews | Write Review
Replaces Original Equipment Manufacturer(OEM):OMC
Replaces Original Equipment Manufacturer # (OEM #):380542
Fits Application:Multiple
Mallory Rotor 9-29203
Mallory Rotor 9-29203
Spring Sale Price: $7.19
Save: $2.17
(23% Off $9.36)
Part # 9-29203
Hurry! Only 1 left in stock
No Reviews | Write Review
Replaces GLM #:71060
Replaces Original Equipment Manufacturer(OEM):Merc / OMC / Volvo / Chrysler
Replaces Original Equipment Manufacturer # (OEM #):392-9089T
Fits Application:Multiple
Mallory Rotor 9-29202
Mallory Rotor 9-29202
Spring Sale Price: $3.59 (Out of stock)
Save: $0.42
(10% Off $4.01)
Part # 9-29202
Replaces GLM #:71020
Replaces Original Equipment Manufacturer(OEM):Merc / OMC / Chris craft
Replaces Original Equipment Manufacturer # (OEM #):58217
Fits Application:Multiple
Mallory Rotor 9-29201
Mallory Rotor 9-29201
Spring Sale Price: $8.09
Save: $1.97
(19% Off $10.06)
Part # 9-29201
Hurry! Only 1 left in stock
No Reviews | Write Review
Replaces GLM #:71050
Replaces Original Equipment Manufacturer(OEM):CRUSADER
Replaces Original Equipment Manufacturer # (OEM #):41059
Fits Application:Multiple
Mallory Rotor 9-29223
Spring Sale Price: $9.89
Save: $1.83
(15% Off $11.72)
Part # 9-29223
Hurry! Only 1 left in stock
No Reviews | Write Review
Replaces GLM #:71140
Replaces Original Equipment Manufacturer(OEM):Pleasurecraft/OMC/Volvo
Replaces Original Equipment Manufacturer # (OEM #):3854218
Fits Application:Ford HEI Distributors
Sierra
Average Customer Review for Rotor - Sierra
Based On 1 Review
Great by Michael - Daphne, AlabamaJune 24, 2011
Just what I needed and very quick delivery.
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Average Customer Review for Rotor - Sierra
Based On 1 Review
Review for Sierra 18-5405 Rotor by a CustomerAugust 12, 2009

(0 of 1 people found this review helpful)
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Average Customer Review for Rotor - Sierra
Based On 1 Review
Great by Dwayne - Griffin, GeorgiaApril 07, 2014
Great product, Great price
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Average Customer Review for Rotor - Sierra
Based On 5 Reviews
great product by David - Thunder Bay, OntarioAugust 21, 2013
quality product
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merc. 224 cid/165 hp 4 cyl. by Siah - Morehead, KentuckyMarch 30, 2013
exact part match and with brass contact better quality than oem.
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direct replacement by Bryan - Big Lake, MinnesotaMay 15, 2012
Replaced on a 89 3.0L Mercruiser. Low cost, fits, not much else to write.
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Works fine by Jami - Gulf Breeze, FloridaSeptember 16, 2011
My old one was wobbly. This one is tight. Good product.
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Review for Sierra 18-5418 Rotor by a CustomerAugust 06, 2009

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Average Customer Review for Mallory Rotor 9-29220
Based On 1 Review
rotor review by George - Ottawa, OntarioJuly 06, 2010
Got this rotor, and the first thing I noticed was that the electrical metal contact was a solid 1/8 inch thick cooper bar at the bottom of the rotor. This seems to work as my boat now idles strongly even at lower rpm.
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Average Customer Review for Mallory Rotor 9-29202
Based On 1 Review
brand name product for a good price by Randall - Headingley, ManitobaAugust 16, 2013
brand name product for a good price
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Enjoy Extra Discounts 5-20% Off During the SPRING SAVINGS SALE!
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Enjoy Extra Discounts 5-20% Off During the SPRING SAVINGS SALE!