OMC Sterndrive/Cobra Lower Unit Seal Kits

Refine Parts List
Model/Liter

Year

(1968 to 1991)

Model/Liter

Year

Sierra Lower Gearcase Seal Kit

Mallory Lower Gearcase Seal Kit

2.31987-199018-2671 9-74401
2.5(1)1982-198618-2664 -
2.5(2)198618-2671 9-74401
3(1)1982-198618-2664 -
3(2)1986-199118-2671 9-74401
3.81981-198618-2665 9-74400
4.3(1)1985-198618-2665 9-74400
4.3(2)1986-199118-2672 9-74402
5(1)1982-198618-2665 9-74400
5(2)1986-199118-2672 9-74402
5.7(1)1982-198618-2665 9-74400
5.7(2)1986-198918-2672 9-74402
5.7(3)1990-199118-2672 9-74402
5.81989-199018-2672 9-74402
80196918-2663 -
90197018-2663 -
100197218-2663 -
100197318-2663 -
1201968-197218-2663 -
1201973-197718-2663 -
1201978-198118-2664 -
1401973-197718-2663 -
1401978-198118-2664 -
1551968-197218-2663 -
165197218-2663 -
1651973-197618-2663 -
170197418-2663 -
1751975-197718-2663 -
185196818-2663 -
1851978-198018-2665 9-74400
1901974-197718-2663 -
200196818-2663 -
2001979-198118-2665 9-74400
2101968-197018-2663 -
215197118-2663 -
225197218-2663 -
2251973-197618-2663 -
225197818-2665 9-74400
2301979-198118-2665 9-74400
235197118-2663 -
2351975-197718-2663 -
240197818-2665 9-74400
245197218-2663 -
2451973-197518-2663 -
250197918-2665 9-74400
2601979-198118-2665 9-74400
262198918-2672 9-74402
3501988-198918-2672 9-74402

Model/Liter

Year

Sierra Lower Gearcase Seal Kit

Mallory Lower Gearcase Seal Kit

Notes:
(1) : Except Cobra
(2) : Cobra
(3) : Except L.E.
Refine Parts List
Model/Liter

Year

(1968 to 1991)
Blowout
Save 23%-27% Off.
Lower Unit Seal Kit for OMC Sterndrive/Cobra 981797, GLM 87620 - Sierra
Your Price: $46.99
Save: $8.02
(14% Off $55.01)
Part # 18-2663
SHIPS TOMORROW!* if ordered in 19 hrs 23 mins.
No Reviews | Write Review
Replaces OEM part #
  • OMC 981797
    100-245 Stringer Unit ( 1968-77 )


  • Contains:
  • ( 1 ) 18-0168 Grommet, replaces O.E.# 908594
    ( 4 ) 18-2012 Oil Seal, replaces O.E.# 310599
    ( 1 ) 18-2020 Oil Seal, replaces O.E.# 310649
    ( 2 ) 18-2058 Oil Seal, replaces O.E.# 313353
    ( 1 ) 18-2851 Swivel Bearing To Lower Gear Case Gasket, replaces O.E.# 313368
    ( 2 ) 18-4248 Washer, replaces O.E.# 311598
    ( 4 ) 18-7120 O-Ring, replaces O.E.# 307853, 322598
    ( 1 ) 18-7129 O-Ring, replaces O.E.# 314491
    ( 1 ) 18-7135 O-Ring, replaces O.E.# 310584
    ( 1 ) 18-7167 O-Ring, replaces O.E.# 310414
Seal Kit - Sierra
Your Price: $53.99
Save: $10.35
(16% Off $64.34)
Part # 18-2664
SHIPS TOMORROW!* if ordered in 19 hrs 23 mins.
No Reviews | Write Review
Replaces OEM part #
  • OMC 982947
    4 Cyl ( 400 0 Stringer Unit ( 1978-86 )


  • Contains:
    ( 1 ) 18-0110 Shift Housing Gasket, replaces O.E.# 324670
    ( 2 ) 18-3133 Housing Screw, replaces O.E.# 908158
    ( 1 ) 18-0188 Washer, replaces O.E.# 909748
    ( 1 ) 18-2020 Oil Seal, replaces O.E.# 310649
    ( 2 ) 18-2058 Oil seal, replaces O.E.# 313353
    ( 2 ) 18-2060 Oil Seal, replaces O.E.# 321467
    ( 4 ) 18-3722 Locknut, replaces O.E.# 121731
    ( 2 ) 18-4248 Washer, replaces O.E.# 311598
    ( 1 ) 18-7101 O-Ring, replaces O.E.# 305739
    ( 1 ) 18-7102 O-Ring, replaces O.E.# 307450
    ( 1 ) 18-7120 O-Ring, replaces O.E.# 307853, 322598
    ( 1 ) 18-7127 O-Ring, replaces O.E.# 313446br>( 1 ) 18-7130 O-Ring, replaces O.E.# 314728
    ( 1 ) 18-7178 O-Ring, replaces O.E.# 320140
    ( 1 ) 18-7404 O-Ring, replaces O.E.# 909747
    ( 4 ) 18-7475 Quad Ring, replaces O.E.# 332583
    ( 1 ) 18-7168 O-Ring, replaces O.E.# 202893
    ( 2 ) 18-7409 O-Ring, replaces O.E.# 911871
    ( 2 ) 18-2001 Oil Seal, replaces O.E.# 330137
    ( 1 ) 18-7479 O-Ring, replaces O.E.# --
    ( 2 ) 18-3153 S.S. Bolt, replaces O.E.# 908158
  • Lower Unit Seal Kit for OMC Sterndrive/Cobra 982946, GLM 87630 - Sierra
    Your Price: $55.99
    Save: $16.12
    (22% Off $72.11)
    Part # 18-2665
    SHIPS TOMORROW!* if ordered in 19 hrs 23 mins.
    No Reviews | Write Review
    Replaces OEM part #
    • OMC 982946
      V6, V8 ( 800 ) Stringer Unit ( 1978-86 )

    • Contains:
      ( 1 ) 18-0110 Shift Housing Gasket, replaces O.E.# 324670
      ( 2 ) 18-3133 Housing Screw, replaces O.E.# 908158
      ( 1 ) 18-0188 Washer, replaces O.E.# 909748
      ( 2 ) 18-2002 Oil Seal, replaces O.E.# 320862
      ( 1 ) 18-2020 Oil Seal, replaces O.E.# 310649
      ( 2 ) 18-2058 Oil Seal,replaces O.E.# 313353
      ( 2 ) 18-2060 Oil Seal, replaces O.E.# 321467
      ( 1 ) 18-2911 Swivel Bearing Housing Gasket, replaces O.E.# 910236
      ( 6 ) 18-3722 Locknut, replaces O.E.# 121731
      ( 2 ) 18-4248 Washer, replaces O.E.# 311598
      ( 1 ) 18-7101 O-Ring, replaces O.E.# 305739
      ( 1 ) 18-7102 O-Ring, replaces O.E.# 307450
      ( 1 ) 18-7120 O-Ring, replaces O.E.# 307853, 322598
      ( 1 ) 18-7130 O-Ring, replaces O.E.# 314728
      ( 1 ) 18-7142 O-Ring, replaces O.E.# 322119
      ( 1 ) 18-7178 O-Ring, replaces O.E.# 320140
      ( 2 ) 18-7403 O-Ring, replaces O.E.# 909316
      ( 1 ) 18-7404 O-Ring, replaces O.E.# 909747
      ( 4 ) 18-7475 Quad Ring, replaces O.E.# 332583
      ( 1 ) 18-7168 O-Ring, replaces O.E.# 202893
      ( 1 ) 18-7479 O-Ring, replaces O.E.# --
      ( 2 ) 18-3153 S.S. Bolt, replaces O.E.# 908152
    Lower Unit Seal Kit for OMC Sterndrive/Cobra 985612, GLM 87655 - Sierra
    Your Price: $31.99
    Save: $7.46
    (18% Off $39.45)
    Part # 18-2671
    SHIPS TOMORROW!* if ordered in 19 hrs 23 mins. Replaces OEM part #
    • OMC 985612
      All 4 Cyl. Cobra ( 1986-89 )


    • Contains:
      ( 1 ) 18-0880 Shift Cover Gasket, replaces O.E.# 911878
      ( 2 ) 18-0166 Grommet, replaces O.E.# 911705
      ( 1 ) 18-0190 Wiper, replaces O.E.# 912157
      ( 2 ) 18-4248 Washer, replaces O.E.# 311598
      ( 1 ) 18-7127 O-Ring, replaces O.E.# 313446
      ( 1 ) 18-7130 O-Ring, replaces O.E.# 314728
      ( 1 ) 18-7137 O-Ring, replaces O.E.# 318372
      ( 3 ) 18-7138 O-Ring, replaces O.E.# 318717
      ( 2 ) 18-7145 O-Ring, replaces O.E.# 333572
      ( 5 ) 18-7475 Quad Ring, replaces O.E.# 332584
      ( 2 ) 18-2001 Oil Seal, replaces O.E.# 330137
    Lower Unit Seal Kit for OMC Sterndrive/Cobra 984458 985613 439967, GLM 87672 87656 - Sierra
    Your Price: $53.99
    Save: $11.39
    (17% Off $65.38)
    Part # 18-2672
    SHIPS TOMORROW!* if ordered in 19 hrs 23 mins.
    No Reviews | Write Review
    Replaces OEM part #
    • OMC 985613
    • OMC 984458
    • OMC 439967
      All V6 / V8 Cobra


    • ( 1 ) 18-0880 Shift Cover Gasket, replaces O.E.# 911878
      ( 2 ) 18-0166 Grommet, replaces O.E.# 911705
      ( 1 ) 18-0190 Wiper, replaces O.E.# 912157
      ( 2 ) 18-2002 Oil Seal, replaces O.E.# 320862
      ( 2 ) 18-4248 Washer, replaces O.E.# 311598
      ( 1 ) 18-7130 O-Ring, replaces O.E.# 314728
      ( 1 ) 18-7137 O-Ring, replaces O.E.# 318372
      ( 3 ) 18-7138 O-Ring, replaces O.E.# 318717
      ( 1 ) 18-7142 O-Ring, replaces O.E.# 322119
      ( 2 ) 18-7145 O-Ring, replaces O.E.# 333572
      ( 5 ) 18-7475 Quad Ring, replaces O.E.# 332584
      ( 1 ) 18-0442 Water Passage Gasket, replaces O.E.# 915719
    SHIPS TOMORROW!* if ordered in 19 hrs 23 mins.
    Hurry! Only 1 left in stock
    No Reviews | Write Review
    Replaces OEM part #
    • OMC 986629
      King Cobra Lower Unit - 1990
    Representative Photo only.
    Seal Kit, Lower Unit - Sierra
    Your Price: $91.99
    Save: $19.56
    (17% Off $111.55)
    Part # 18-2791
    SHIPS TOMORROW!* if ordered in 19 hrs 23 mins.
    No Reviews | Write Review
    Replaces OEM part #
    • OMC 987251
    • OMC 3850597
    • VOLVO 3850597

    • Fits: OMC 3.0L, 5.0L ( 1994 ), 3.2L ( 1992-93 ), 5.7L ( 1992-94 ), 7.4L ( 1992-95 ) 8.2L ( 1992-93 )
    Mallory Seal Kit, Gear Housing 9-74402
    Mallory Seal Kit, Gear Housing 9-74402
    Spring Sale Price: $48.59
    Save: $16.79
    (25% Off $65.38)
    Part # 9-74402
    SHIPS TOMORROW!* if ordered in 19 hrs 23 mins.
    No Reviews | Write Review
    Replaces GLM #:87672
    Replaces Original Equipment Manufacturer(OEM):OMC
    Replaces Original Equipment Manufacturer # (OEM #):439967 / 985613
    Fits Application:Cobra, 4 cyl. 1990-93, V6/V8 1986-93
    Mallory Seal Kit, Gear Housing 9-74401
    Mallory Seal Kit, Gear Housing 9-74401
    Spring Sale Price: $28.79
    Save: $10.66
    (27% Off $39.45)
    Part # 9-74401
    SHIPS TOMORROW!* if ordered in 19 hrs 23 mins.
    No Reviews | Write Review
    Replaces GLM #:87655
    Replaces Original Equipment Manufacturer(OEM):OMC
    Replaces Original Equipment Manufacturer # (OEM #):985612
    Fits Application:Cobra, 4 cyl 1986-90, & Outboards
    Mallory Seal Kit, Gear Housing 9-74400
    Mallory Seal Kit, Gear Housing 9-74400
    Spring Sale Price: $54.89
    Save: $17.22
    (23% Off $72.11)
    Part # 9-74400
    SHIPS TOMORROW!* if ordered in 19 hrs 23 mins.
    No Reviews | Write Review
    Replaces GLM #:87630
    Replaces Original Equipment Manufacturer(OEM):OMC
    Replaces Original Equipment Manufacturer # (OEM #):982946
    Fits Application:V-6, V-8 800 series Stringer Units 1978-86
    Sierra
    Gary by Gary - Youngville, North CarolinaJuly 24, 2011
    Very satisfied.
    Was this review helpful?
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