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 16%-30% Off.*
Mercury Marine 392-9089T replacement parts

Rotor - Sierra*
Sale Price: $6.29
Save: $2.70
(30% Off $8.99)
Part # 18-5403
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Part # 18-5403
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
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Crusader 20223 replacement parts

Rotor - Sierra*
Sale Price: $5.39
Save: $1.30
(19% Off $6.69)
Part # 18-5404-1


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
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Mercury Marine 811636 1 replacement parts

Rotor - Sierra*
Sale Price: $4.49
Save: $1.00
(18% Off $5.49)
Part # 18-5406
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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
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Mercury Marine 392-6326T replacement parts

Rotor - Sierra*
Sale Price: $7.19
Save: $1.80
(20% Off $8.99)
Part # 18-5407
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Part # 18-5407
Replaces OEM part #
  • CHRYSLER INBOARD 1658535
  • CRUSADER 41059
  • PLEASURECRAFT R103003
  • MERCURY MARINE 392-6326
  • MERCURY MARINE 392-6326T
  • OMC 980892
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Johnson / Evinrude / OMC 982342 replacement parts

Rotor - Sierra*
Sale Price: $8.09
Save: $3.40
(29% Off $11.49)
Part # 18-5411
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Part # 18-5411
Replaces OEM part #
  • CHRIS-CRAFT 16.69-00042
  • CRUSADER 1003318
  • CRUSADER 12531
  • OMC 982342
  • VOLVO 841243-9
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Johnson / Evinrude / OMC 987986 replacement parts

Rotor for Volvo Penta, OMC Sterndrive/Cobra 987986 - Sierra*
Sale Price: $11.69
Save: $3.30
(22% Off $14.99)
Part # 18-5413
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Part # 18-5413
Replaces OEM part #
  • OMC 987986
For:
  • 5.0L FI, FL,
  • 5.8L Fl, FI, FSI
Low Price Guarantee
Johnson / Evinrude / OMC 384735 replacement parts

Rotor - Sierra*
Sale Price: $3.59
Save: $0.70
(16% Off $4.29)
Part # 18-5418


Part # 18-5418
Replaces OEM part #
  • CHRIS-CRAFT 16.69-00051
  • MERCURY MARINE 58217
  • OMC 384735
For 4 Cyl. (1969-70) Atomic Four
Low Price Guarantee
Volvo 818525-8 replacement parts

Rotor - Sierra*
Sale Price: $7.19
Save: $2.30
(24% Off $9.49)
Part # 18-5419
Hurry! Only 1 left in stock
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Part # 18-5419
Replaces OEM part #
  • OMC 380542
  • VOLVO 818525-8
For 6 Cyl. (1963-65) Super Sabre
Low Price Guarantee
Mallory Rotor 9-29220

Mallory Rotor 9-29220
Sale Price: $4.99
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
Low Price Guarantee
Mallory Rotor 9-29210

Mallory Rotor 9-29210
Sale Price: $8.99
Save: $1.50
(14% Off $10.49)
Part # 9-29210
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Replaces Original Equipment Manufacturer(OEM):Crusader, Chriscraft, OMC, Volvo
Replaces Original Equipment Manufacturer # (OEM #):12531
Fits Application:Multiple
Low Price Guarantee
Mallory Rotor 9-29207

Mallory Rotor 9-29207
Sale Price: $5.99
Save: $0.50
(7% Off $6.49)
Part # 9-29207
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Replaces GLM #:71040
Replaces Original Equipment Manufacturer(OEM):Merc / OMC / Volvo / PCM / Crusader
Replaces Original Equipment Manufacturer # (OEM #):391-7057T
Fits Application:Multiple
Low Price Guarantee
Mallory Rotor 9-29204

Mallory Rotor 9-29204
Sale Price: $7.99
Save: $1.00
(11% Off $8.99)
Part # 9-29204
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Replaces Original Equipment Manufacturer(OEM):OMC
Replaces Original Equipment Manufacturer # (OEM #):380542
Fits Application:Multiple
Low Price Guarantee
Mallory Rotor 9-29203

Mallory Rotor 9-29203
Sale Price: $7.99
Save: $0.50
(5% Off $8.49)
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
Low Price Guarantee
Mallory Rotor 9-29202

Mallory Rotor 9-29202
Sale Price: $3.99
Part # 9-29202
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Replaces GLM #:71020
Replaces Original Equipment Manufacturer(OEM):Merc / OMC / Chris craft
Replaces Original Equipment Manufacturer # (OEM #):58217
Fits Application:Multiple
Low Price Guarantee
Mallory Rotor 9-29201

Mallory Rotor 9-29201
Sale Price: $7.99
Save: $0.50
(5% Off $8.49)
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
Low Price Guarantee

Sierra

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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 4 Reviews
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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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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