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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.

TUNE UP PARTS

Discounted Marine Spring Tune Up Parts

Don't get stuck on the dock. My Inboard Marine has a large supply of boat engine tune up parts and supplies! Browse through our departments and find your boat tune up parts today!

 Click HERE to go to the Spring  MAINTENANCE Page.


Mercury Cool Fuel Gen III Fuel Filter Disc  QS-35-892665
17%
$34.00 $40.99
35-892665 Fuel Filter - Sierra Brand - Mercury Brand is No Longer Available  This is a Sierra Brand Filter that replaces the Mercury 35-892665 Fuel Filter...
Cool Fuel Gen III Filter Element Quicksilver 35-8M0093688
15%
$64.49 $75.49
Cool Fuel Gen III Filter Element Fuel Filter Element Fits Mercury V8 engines with Gen III cool fuel systems Filter resides in black housing located...
Crusader Raw Water Pump Sherwood P1014 - SHER-P1014  Direct replacement bronze sea water pump for Crusader RA057031
26%
$884.00 $1,191.37
Direct replacement bronze sea water pump for Crusader RA057031. Pulley driven pump - pulley not included 1 1/4 in. inlet and outlet ports Sherwood bronze...
Impeller Indmar 302 Raw Water Pump OEM JP-09-1027B-10
20%
$45.58 $56.70
Comes WITH all gaskets and O-Ring! Replaces 09-1027B-1 - This impeller is a little thicker thank the 1027B-1 and works a little better on a...
Indmar serpentine belt used on Mastercraft LTR applications. Indmar serpentine belt used on Mastercraft LTR applications.
28%
$28.00 $38.95
Indmar serpentine belt used on Mastercraft LTR applications. Indmar serpentine alternator belt Used on Mastercraft LTR marine engines with shouldered pulley Original Indmar Alternator belt...
Puller Impeller Puller For Impellers Up To 2-1/2 Inch Diameter Jabsco Puller Impeller Puller For Impellers Up To 2-1/2 Inch Diameter Jabsco
9%
$149.00 $162.95
For impellers up to 2-1/2'' in diameter Allows easier removal of flexible impellers from pumps! Three step, t-handle puller simplifies removal of impellers up to 2...
Tune Up Kit Thunderbolt V6 Tri-Pak Tune-Up Kit United Ignition Wire 1-111 Complete Tune Up Kit
23%
$87.00 $112.65
Premium marine tune up kit includes distributor cap, rotor, and spark plug wires for Mercruiser V6 engines with Thunderbolt distributors. Kit fits Mercruiser 4.3L V6...
FUEL WATER SEPARATOR KIT 21 MICRON COMPLETE WITH SPIN ON FILTER SIERRA 18-7852-1
20%
$44.00 $54.99
Fuel Water Separating Kit COMPLETE KIT INCLUDING FILTER! Sierra Mercruiser style 21 micron filter and top housing. Uses SKU# 18-7845 replacement filters. Replaces PCM Racor filter assembly...
Taylor Street Thunder Spark Plug Wire Set 8MM Black
$89.00
Taylor Street Thunder Spark Plug Wire Set 8MM Black Assembled: Yes Distributor Terminal Ends: Female/Socket Distributor Boot Color: Black Distributor Boot Material: Silicone Spark Plug Boot Ends: Eight 180 degree...
Tune Up Kit 305 | 350 | 454 Mallory Distributors Replaces RP173025 86 & Prior Sierra 18-8271
30%
$53.14 $75.99
Tune Up Kit for Mallory Distributors 1986 & Prior Sierra Brand Sierra Brand 18-5271 Replaces PCM RP173025 Strap Type Connector For Points AV distributors set timing 5...
Tune Up Kit Delco EST V8 Replaces PCM RP173081 Sierra® 18-5281
24%
$44.05 $57.89
Sierra Distributor Cap & Rotor 18-5281 Tune-up kit includes cap & rotor for GM V8 marine engines with Delco EST HEI module-in-cap distributors For V8...
Thermostat Kit Mercruiser 160 Degree EFI Complete Service Kit 18-3648
18%
$27.00 $32.99
160 Degree Thermostat Kit EFI Includes BOTH Gaskets Mercruiser raw water cooled marine engines New Style housing used with EFI engines 1994 and up EFI and...
Spark Plug Set PCM - Indmar - 8.1L - 6.0L Set Of 8 AC Delco 41-983 Replaces RP030009 Spark Plug Set PCM - Indmar - 8.1L - 6.0L Set Of 8 AC Delco 41-983 Replaces RP030009
12%
$99.00 $112.88
AC Delco Brand  AC41-983 8.1L Spark Plug Set MPI Indmar & PCM ACD-41-983 Replaces PCM-RP030009 & RP030011 Includes 8 Plugs 8.1L & MP 6.0L  Replaces Crusader...
Spark Plug Set PCM - Indmar - 8.1L - 6.0L Set Of 8 NGK-7164 Iridium TR55IX Replaces RP030009 Spark Plug Set PCM - Indmar - 8.1L - 6.0L Set Of 8 NGK-7164 Iridium TR55IX Replaces RP030009
13%
$90.59 $103.68
NGK-7164 Iridium 8.1L Spark Plug Set TR55IX Replaces PCM-RP030009 & RP030011 Includes 8 Plugs 8.1L & MP 6.0L Premium NGK spark plugs are known for their reliable performance and...
Spark Plug Set 305 - 350 - 454 NGK-YR5 V-Power 7052 Set Of 8 Plugs Replaces PCM RP030003 Spark Plug Set 305 - 350 - 454 NGK-YR5 V-Power 7052 Set Of 8 Plugs Replaces PCM RP030003
44%
$33.05 $58.76
NGK Premium Spark Plug Set NGK-YR5-7052 V-POWER Replaces PCM RP030003 Includes 8 Plugs Standard Non-Vortec Replaces MR43T These plugs are for Non-Vortec heads around 1996...
Housing Thermostat Housing Complete GM Indmar OEM CHV-29-80
8%
$179.00 $193.91
Thermostat Housing GM Indmar CHV-29-80 OEM Thermostat Housing for V6 and Short Block V8 Chevrolet,CHV-29-80 Fits GM V8 small block engines Complete thermostat housing assembly...
Repair Kit Complete Raw Water Pumps Sierra® 18-3150
16%
$104.99 $124.99
REPAIR KIT FOR MERCRUISER ORIGINAL STYLE PLASTIC BODY PUMPS  REPLACES OEM# QS-46-807151A14 Impeller Kit!  Sierra Kit FOR ORIGINAL QUICK SILVER, ORDER PART# QS-807151A14 Impeller kit with...
Wear Plate For Sherwood Raw Water Pump Sherwood OEM# R109029 Sherwood Brand
11%
$30.45 $34.31
Wear plate for Sherwood Raw Water Pump PCM OEM# R109029 SHERWOOD Triangular plate replaces the older style round one Uses Item # RM0125 Gasket
Bearing For Sherwood Belt Drive Raw Water Pumps SHER-23448
9%
$28.00 $30.88
Fits All Belt Driven PCM Pumps Does NOT WORK for P-105 crank driven pump You will need two bearings for each pump: G-21, G-55-2, P-1012,...
Points Mallory 5.0L - 5.7L - 7.4L - 2.6 Replaces PCM R114001 and R114004 Sierra 18-5314
7%
$13.89 $14.99
Points Sierra Brand Replaces PCM R114001 and PCM R114004 Points All 5.0 - 5.7 - 7.4 - 2.6 Contact set used in Mallory tall or stack...
Condenser Prestolite Ford All Years PCM R115002 Condenser Prestolite Ford All Years PCM R115002
9%
$11.50 $12.64
All years Ford Prestolite Condenser  OEM PCM R115002 Works with All Prestolite Clip Down OR Screw Down Caps New condenser ready to install! WARNING- This...
Cap And Rotor Prestolite Ford - GM (87 & Later) Screw Down Original PCM Item# RP173073
16%
$51.50 $61.55
Cap & Rotor Original PCM RP173073 Not Aftermarket 1987 & Up with Electronic Ignition Base timing set at 10 degrees BTDC (before top dead center) Electronic...
Oil Line - Transmission Oil Line 22 Inches Long With Locking Sleeve OEM 845067-220S
2%
$83.00 $84.95
ORIGINAL INDMAR 22" Transmission Oil Line with Locking Sleeve HOSE ASM, TRANY COOLER 22" W/SLEEVE LOCKING 180DEG...845067-220S Quick connect oil/trans hose 22" long
Oil Line - Transmission Oil Line 18 Inches Long With Locking Sleeve OEM 845067-180S
5%
$75.00 $78.95
ORIGINAL INDMAR 18" Transmission Oil Line with Locking Sleeve HOSE ASM, 18" W/SLEEVE LOCKING, 845067-180S Quick connect oil/trans hose 18" long
Impeller Puller For The New Threaded 09-821BT | Johnson Pump 09-47163-01
39%
$38.37 $62.80
NEW PULLER for the newer style, threaded Indmar Johnson Impeller! Allows easier removal of flexible impellers from pumps! Threaded Impeller Puller is designed to remove...
Barb Thermostat Housing Hose Barb Nylon Fitting 3/8 Inch NPT X 5/8 Inch Hose  OEM 60-5020
43%
$4.95 $8.75
3/8" NPT X 5/8" Hose Nylon Straight Fitting Straight 3/8 inch by 5/8 inch fitting made of nylon May need to order 2 - 4...
Spark Plug Wire Set Ford 351 OEM Indmar 75-5007
7%
$109.00 $117.36
OEM Indmar Ford V8 302/351/460 Spark Plug Wire Set  
Tensioner Wheel LT-1 | LTR OEM Indmar 55-6059
6%
$184.05 $195.92
Belt tensioner wheel for LT-1 and LTR marine engines.
O-Ring For PCM Bearing Housing Attachment On PCM Modular Raw Water Pump | Crusader R047242
3%
$2.15 $2.21
O-Ring for the PCM Bearing Housing Assemby Modular Raw Water Pump If you need the complete pump assembly - CLICK HERE If you need the...
Mercury Impeller Gasket | Replaces 27-8172771 | Sierra 18-2566 Mercury Impeller Gasket | Replaces 27-8172771 | Sierra 18-2566
31%
$4.49 $6.49
Replacement water pump impeller for many Mercury/Mariner outboards & Mercruiser. Sierra Brand. Replaces Mercury Marine 27-817277, 27-8172771 Replaces Mallory 9-60023 Fits 40/45/50/60 FourStroke Bigfoot, 60...
Impeller Kit - 7.4L PV06765 | OEM Ilmor PV06765
27%
$54.99 $74.99
Original Ilmor Impeller Kit Ilmor PV06765 COMPATIBLE WITH THE FOLLOWING ENGINES MV8 5.7L-OPS - V-Drive MV8 6.0L-OPS - Direct Drive MV8 6.0L-OPS - V-Drive 5000MPI-OPS...
Mercruiser Gen II Water Pump Kit | Sierra 18-3147
19%
$128.00 $158.00
Sierra replacement water pump kit for Mercruiser Alpha I Gen II stern drives. Sierra Mercruiser water pump kit For Mercruiser Alpha I Gen II stern...
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