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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.

Inboard Marine Engine Exhaust Parts

Inboard Boat Exhaust Parts

Does your boat need replacement parts? At My Inboard Marine, we carry a wide range of inboard boat exhaust parts perfect for fixing or replacing worn out components within the exhaust system. At My Inboard Marine, we carry original equipment. We have everything from nuts and bolts to screws and mufflers from brand names including PCM, Indmar, Mercury, and Mercruiser. Whatever you need, we’ve got it in stock. Keep your boat running efficiently and pulling strong with our specialty marine equipment.

Allow yourself to avoid the headache of running from store to store looking for the right part. Instead, shop through our easy to navigate online store to find the right item for you boat. Browse our store and grab your inboard boat exhaust items from us today.

Scroll down for all Exhaust Related Items

MUFFLER TIGE' - 3" inlet w/90°angle - 3.5" outlet - Port - 6" body length OEM - UM-TB4178-P
14%
$452.86 $525.31
MUFFLER TIGE' - PORT - LEFT SIDE 3" inlet w/90°angle 3.5" outlet Port 6" body length OEM TB4178-P Shipping Dimensions: 30x14x11 Manufactured by Ultra Marine....
MUFFLER TIGE' - 3" inlet w/90° angle - 3.5" outlet - Starboard - 5.5" body length OEM - UM-TB4178-S
14%
$452.86 $525.31
MUFFLER TIGE' - STARBOARD SIDE 3" inlet w/90° angle 3.5" outlet Starboard 5.5" body length OEM - TB4178-S Shipping Dimensions: 30x14x11 Manufactured by Ultra Marine....
MUFFLER TIGE' - 3" inlet w/extended 76° angle - 3.5" outlet - 27" body length OEM - 4087-T
38%
$419.00 $680.83
MUFFLER TIGE 3" inlet w/extended 76° angle 3.5" outlet 27" body length OEM - 4087-T Shipping Dimensions: 12x12x48 Manufactured by Ultra Marine. Easy to install!...
Muffler Tige' - 3" Inlet W/Extended 90° Angle - 3.5" Outlet - 15" Body Length OEM - TB4087
16%
$477.05 $569.09
MUFFLER TIGE' 3" inlet w/extended 90° angle 3.5" outlet 15" body length OEM TB4087 Shipping Dimensions: 12x13x38 Manufactured by Ultra Marine. Easy to install! Ultra...
Muffler Tige' - 3" Inlet W/Extended 90° Angle - 3.5" Outlet OEM - UM-4178-T Muffler Tige' - 3" Inlet W/Extended 90° Angle - 3.5" Outlet OEM - UM-4178-T
24%
$402.86 $531.80
MUFFLER TIGE' 3" inlet w/extended 90° angle 3.5" outlet OEM - UM-4178-T Shipping Dimensions: 12x13x37 Manufactured by Ultra Marine. Easy to install! Ultra Marine Fine...
Muffler Tige' - D4028 - Silent Rider V-Drive Dual 4" Inlets  - Dual 3.5" Outlets OEM - D4028
20%
$1,279.00 $1,599.00
MUFFLER TIGE' CUSTOM Dual 4" Inside Diameter Inlets - Dual 3.5" Inside Diameter Outlets The outlets are extended approx. 13" out from the main cylinder....
Neoprene Exhaust Tip Gasket Corsa® Performance 10197
20%
$9.95 $12.49
The gasket is made to seal between Corsa 4 in. exhaust tip & the boat's transom. Thru hull exhaust tip gasket For 4 inch exhaust...
Nut - Hex Nut -7/16-20 OEM RS1529
59%
$0.45 $1.09
Hex Nut 7/16-20 OEM  HEX NUT Replaces Crusader 272231, 95410201
Nut Exhaust Elbow Attaching Nut, HX 3/8-24 (9/16 Hex) ZY 6.0L OEM 95310000
44%
$0.25 $0.45
Nut, exhaust elbow attaching (4 each elbow) 6.0L 8 REQUIRED FOR EACH SIDE OF ENGINE
Nut Manifold To Cylinder Head 6.0L - 5.7L OEM RS7026
29%
$0.25 $0.35
Manifold nut to cylinder head 6.0L 12 REQUIRED FOR EACH SIDE OF ENGINE
OBDM Lamp Kit With Hardware OEM RK179009 OBDM Lamp Kit With Hardware OEM RK179009
8%
$117.33 $127.18
OBDM Lamp Kit With Hardware OEM RK179009 Original PCM FOR LAMP ONLY AND NO HARDWARE - CLICK HERE FOR PART NUMBER R179009
OBDM Lamp Only - No Hardware OEM R179009
8%
$127.53 $138.04
OBDM Lamp Only No Hardware OEM R179009 Original PCM FOR LAMP AND HARDWARE - CLICK HERE FOR PART NUMBER RK179009
45° Straight Cut Pipe Exhaust Outlet With Angled Flange 3-1/2" WITH BAFFLE! 45° Straight Cut Pipe Exhaust Outlet With Angled Flange 3-1/2" WITH BAFFLE!
31%
$191.19 $277.53
45° Straight Cut Pipe Exhaust Outlet With Angled Flange 3-1/2" WITH BAFFLE! SOLD EACH! 3-1/2" 304 Stainless Steel Straight Thru Hull Incorporates an internal muffler...
Outlet Exhaust 3-1/2" Straight Flange Exhaust <b>No Baffle-Muffler</b> Outlet Stainless Steel No Flapper Needed
20%
$199.00 $249.00
45° Straight Cut Pipe Exhaust Outlet With Straight Flange 3-1/2" NO BAFFLE! SOLD EACH! 3-1/2" 304 Stainless Steel Straight Thru Hull - NO INTERNAL BAFFLE...
Oxygen Sensor All PCM Engines 4 Wire OEM R020051 Oxygen Sensor All PCM Engines 4 Wire OEM R020051
26%
$66.00 $88.77
PCM Oxygen (o2) Sensor ALL Years OEM PCM o2 4 wire Oxygen Sensor Used on all PCM Engines pre-catalyst and post-catalyst Also used on ALL GM Indmar engines...
Pipe Plug 1/2 Inch NPT Brass Pipe Plug Indmar OEM 60-5034 Pipe Plug 1/2 Inch NPT Brass Pipe Plug Indmar OEM 60-5034
25%
$6.00 $7.95
1/2 inch NPT pipe plug made of brass Used when replacing your No Longer Available thermostat housing part number 53-1402 with the new style Indmar...
Pipe Plug Brass Exhaust Manifold Drain Plug Hex Head 3/4 Inch NPT Brass PCM - Indmar OEM RS3533A
10%
$15.21 $16.95
3/4" NPT - BRASS Drain Pipe Plug for Exhaust Manifold for Indmar OR PCM This is the newer Brass Plug - Note: 3/4" NPT measures about 1"...
Pipe Plug Exhaust Manifold Drain Plug 3/4 Inch NPT PCM Or Indmar RS3533 Pipe Plug Exhaust Manifold Drain Plug 3/4 Inch NPT PCM Or Indmar RS3533
30%
$3.50 $4.99
Pipe Plug for Exhaust Manifold for Indmar OR PCM 3/4" NPT - Counter Sunk Square Head - Older style For the "newer" style BRASS, order item# RS3533A...
Pipe Plug Hex Head Brass Exhaust Manifold 6.0L 3/8" NPT OEM RS3557 Pipe Plug Hex Head Brass Exhaust Manifold 6.0L 3/8" NPT OEM RS3557
23%
$3.07 $3.99
Pipe Plug for Exhaust Manifold 6.0L 3/8" NPT - Hex Head 2004 and up PCM 6.0L drain plug, 2 per manifold Also fits Indmar EXT Manifolds...
Riser 3" Exhaust Elbow Barr Marine 20-0102
22%
$199.74 $255.00
Water cooled center rise exhaust elbow for Barr generic center rise manifolds. Barr 3 in. exhaust riser Center discharge 3/4 in. NPT cooling hose connection...
Items 221 to 240 of 262 total