PLEASE NOTE - Some products are not immediately available. If your order will be delayed, we will e-mail you or call you and let you know.
E-MAIL US HERE about availability and we will respond quickly! We ship same day if your order was placed by 1:00 PM EST during normal business hours BASED ON AVAILABILITY.
NEXT DAY SHIPPING NOTE - Please see our Shipping Policy SATURDAY OR SUNDAY DELIVERY IS NOT AN OPTION.

ENGINE SEALS

Inboard Marine Engine Seals discounted for you here at My Inboard Marine. All inboard engines need good engine seals to keep any water out of the engine. Good marine engine seals help lubricate your engine too. Being the very first line of defense to protect it from any dirt or contaminants that could get into your marine engine. My Inboard Marine has a good selection of marine engine seals and parts that will help you prevent any possible damage to your engine. Be sure to stay up to date on your marine engine seals today!
Front Cover Seal And Gasket Kit For 302 - 351 OEM RM0031
10%
$63.61 $70.92
This Kit includes the front left-hand timing cover seal, water circulating pump gaskets, timing cover gasket, and fuel pump gasket. Use Marine Gaskets! Marine Gaskets are...
Rear Main Seal 351 Left Hand - Standard One Piece 1983 Up OEM R047042A
8%
$76.47 $83.25
Seal Rear Main 351 Right Hand One Piece OEM R047042A Replaces Mercury/Mercruiser 26-90925 LEFT HAND - STANDARD ROTATION! For 1983 and up left hand rotation Ford...
Rear Main Seal 351 Right Hand One Piece 1983 Up OEM R047041A Rear Main Seal 351 Right Hand One Piece 1983 Up OEM R047041A
47%
$58.27 $109.99
Seal Rear Main 351 Right Hand One Piece OEM R047041A Replaces Indmar 594106 RIGHT HAND ROTATION! For 1983 and up right hand rotation Ford 351...
Seal Crankshaft Rear Main Left Hand Standard Rotation GM 5.0 - 5.7 - 1987 Up One Piece R047173A This seal comes with a retainer that is not used but helps hold the freshness of the seal. (Center piece).
9%
$66.35 $73.23
Seal For Crankshaft Rear Main GM 5.0 - 5.7 - 1987 And Up For 1997 & UP GM 5.0 & 5.7 300+ Horse Power Vortec...
Seal Front Cover Timing Cover Right Hand 302 - 351 R047044 Seal Front Cover Timing Cover Right Hand 302 - 351 R047044
27%
$51.22 $69.98
Seal Front Cover Timing Cover Right Hand 302 - 351 R047044 New Style Smooth with No Lip Note that older seals have ribs with a...
Seal Rear Main Left Hand GM 5.0 - 5.7 - 1986-1996 One Piece R047173
22%
$60.42 $76.98
Seal Rear Main Left Hand GM 5.0 - 5.7 - 1986-1996 One Piece Left Hand Standard Rotation Non-Vortec Engines Replaces Crusader 33617, 7070400 and R079044...
Seal Rear Main Left Hand Standard Rotation 454 - 1991 And Prior Two Piece R047176
21%
$72.68 $91.95
Seal Rear Main Left Hand Standard Rotation 454 - 1991 And Before Replaces Mercury/Mercruiser 26-14756
Seal Rear Main Right Hand Reverse Rotation GM 305-350 - 1986 And Up One Piece R047175
17%
$99.20 $120.00
Seal For Rear Main GM 350 & 305 - 1986 And Up SEAL-CR(RH-SB) Replaces Crusader 33618 and 7260110 Replaces Pleasurecraft R047175 Replaces Quicksilver 26-8M0062772
Seal Rear Velvet Drive Output Shaft Seal Reduction Gear 1:52-1 New Style Reduction Unit Oil Seal OEM  R047125 Seal Rear Velvet Drive Output Shaft Seal Reduction Gear 1:52-1New Style Reduction Unit Oil SealNew Style Reduction Unit Oil Seal OEM  R047175
10%
$16.00 $17.81
New Style Reduction Unit Oil Seal 1.52-1 Output Shaft Seal Replaces Crusader 1012766 and 25618 Replaces Pleasurecraft R047125 Replaces Velvet Drive 1000-044017 New Style Reduction...
Seal Timing Cover Left Hand Standard Rotation GM 305 And 350 - Up Through 1996 R047178
22%
$27.71 $35.34
Seal Timing Cover Left Hand Standard Rotation GM 305 And 350 - Up Through 1996 This seal will NOT work with plastic timing covers.
Seal Timing Cover Right Hand Reverse Rotation 454 And 502 - 7.4L  R047180
10%
$19.15 $21.21
Seal Timing Cover Right Hand Reverse Rotation 454 And 502 -7.4L 454/502 RH Front Cover Seal Replaces Crusader 31175
Seal Timing Cover Right Hand Reverse Rotation GM 305 -350 - 5.7  Through 1996 - R047179
54%
$16.11 $34.98
Seal Timing Cover Right Hand Standard Rotation GM 305 And 350 - Through 1996 This is a right hand seal for the timing cover.
Timing Cover Composite With Sensor Port And Seal OEM R004010
3%
$114.00 $117.84
Crusader 5.0L and 5.7L composite timing cover with crankshaft position sensor port. 2002 and up. Composite timing cover used on late model GM 5.0L and...
Timing Cover Composite With Seal - <b>No Sensor Port</b> 1997-2001 OEM R004010
15%
$56.21 $65.91
Crusader 5.0L and 5.7L composite timing cover with seal - NO crankshaft position sensor port. Years 1997-2001 Composite timing cover used on earlier model GM...
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