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.

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.


Brass Anti-Siphon Valve 1/4" MNPT Thread X 3/8' I.D. Hose Barb EVM-A/S160-B
6%
$17.00 $18.16
Coast Guard industry standards require anti-siphon protection on all gasoline powered boats. EVM A/S 160 B Anti Siphon Valve This valve combines anti-syphon protection with...
Tune Up Kit Mercruiser Small Block Vortec Thunderbolt Complete Tune Up Kit 1999+ MMD-M57TBOLTGEN
7%
$210.00 $225.63
Comprehensive kit includes everything needed to tune-up Mercruiser 5.0L & 5.7L Vortec engines with Thunderbolt electronic distributors 1996 AND UP. THIS IS VORTEC - 1996...
Spark Plug Set GM Vortec 350 Carb Or EFI NGK-2238 Set Of 8 Plugs Replaces PCM R030008A NGK 2238 Spark Plug Set GM Vortec 350 Carb Or EFI NGK-2238 Set Of 8 Plugs Replaces PCM R030008A NGK 2238
18%
$38.95 $47.65
NGK Spark Plug Set - GM Vortec - Carbureted or EFI Engines Replaces PCM R030008A Includes 8 Plugs V-Groove Center Electrode = V-Power Indmar LT1 NOT...
Distributor Cap Prestolite Screw Down (87 And Later) Sierra Brand 18-5352
13%
$32.05 $36.89
Distributor Cap, No gasket required on screw down type 1987 & Up Sierra Brand 18-5352 For OEM Indmar - CLICK HERE The color may be...
Belt Tensioner Assembly PCM 6.0L Engines RA068002 Belt Tensioner Assembly PCM 6.0L Engines RA068002
24%
$118.75 $155.90
CRU-RA068002 6.0L COMPLETE ASSEMBLY BODY & PULLEY Fits PCM 2003 up ZR-6, ZR-409 & ZR-450 Serpentine belt tensioner assembly with grooved pulley fits Crusader 6.0L...
Impeller Kit Jabsco OEM Splined Neoprene Impeller Full Kit Profile-K - 1210-0001-P
7%
$39.75 $42.70
Original Jabsco impeller fits many different Kohler, Onan, Perkins, Universal, Volvo Penta, & Yanmar marine engine cooling pumps Fits some Mastercraft LT1 engines around 1995 FULL...
Quick Connect Fitting 1/2 Inch x 3/8 NPT  OEM Indmar 60-1027 Quick Connect Fitting 1/2 Inch x 3/8 NPT  OEM Indmar 60-1027
37%
Sold Out
These are no longer available and the new number is 60-1048A - Click Below THE NEW NUMBER IS 60-1048A - CLICK HERE ORIGINAL INDMAR FITTING 60-1027...
Thermostat 160 Degree Indmar Gen-4  -  6.0L OEM 98-6115 Thermostat 160 Degree Indmar Gen-4  -  6.0L OEM 98-6115
28%
$25.94 $35.99
Indmar OEM# 986115 GENUINE OEM - NOT AFTERMARKET! 160 DEGREE Indmar Thermostat 160 degree thermostat used in generation 4  6.0 Liter marine engines
O-Ring For Oberdorfer Pumps 9797-034
14%
$8.00 $9.28
O-ring fits Oberdorfer N202M-03, N202M-07, N202M-15, N202M-16 & N202M-908 raw water pumps. O-ring For Oberdorfer N202M model bronze rubber impeller pumps and some Onan pumps...
Spark Plug Set AC Delco Iridium AC-41-101 Set Of 8 AC Delco Brand ACD-41-101 Replaces PCM RP030010 Spark Plug Set AC Delco Iridium AC-41-101 Set Of 8 AC Delco Brand ACD-41-101 Replaces PCM RP030010
37%
$88.00 $140.56
AC DELCO 41-101 Spark Plug Set Replaces PCM RP030010 Includes 8 Plugs 5.0 MPI & 5.7 Excaliber -2002 & Up Indmar 2006 up 5.7L engines...
Wire Set Spark Plug And Coil 5.0 - 5.7 MPI HVS LH Original PCM RK120018A
24%
$87.90 $116.15
OEM PCM Wire Set For 5.7 & 5.0L MPI HVS Left Hand - Standard Rotation Replaces Indmar 75-1106 - 751106 Right Hand or Reverse Rotation Uses...
Wire Set Spark Plug And Coil Set 8MM PCM Protec Ford-GM OEM RA121040 Wire Set Spark Plug And Coil Set 8MM PCM Protec Ford-GM OEM RA121040
17%
$52.95 $63.49
Original Crusader 8mm ignition wire set fits Crusader marine engines Coil Pack Protec Ignitions 1989 - 1995 Carbureted or Throttle Body EFI - PTI - PROTEC...
Distributor Cap Mallory 209 D-Stack Cap Replaces PCM R108001 Sierra Brand 18-5376
11%
$38.00 $42.49
Distributor Cap for Point type and Electronic distributors Sierra® Brand 18-5376 replaces the PCM R108001 Mallory 209 D Stack Cap This cap now requires a gasket...
Points Prestolite 1-42 Ford All Years Sierra 18-5303 Points Prestolite 1-42 Ford All Years Sierra 18-5303
6%
$12.25 $12.99
All years Ford Prestolite Points Sierra Brand 18-5303 Works with All Prestolite Clip Down OR Screw Down Caps has the little felt piece. Point set...
AC Delco Spark Plug Set - Iridium Platinum 6.0L OEM Part RP030011 AC Delco Spark Plug Set - Iridium Platinum 6.0L OEM Part RP030011
12%
$139.00 $157.10
Crusader RP030011 Spark Plug Set Includes 8 Plugs Crusader 6.0L Platinum Spark Plug Set For Crusader 6.0L GM engines Contains (8) platinum AC Delco plugs...
Impeller Pump Repair Kit Quicksilver Brand QS-47-8M0137219
14%
$47.49 $55.49
OEM Mercruiser impeller service kit QS-47-8M0137219 Kit includes shorter heavy duty impeller, o-ring & overmolded inner front wear plate For use when front of seawater...
Ignition Resistor Ford And GM For Ignition Coils Genuine Crusader R119001 Ignition Resistor Ford And GM For Ignition Coils Genuine Crusader R119001
12%
$53.00 $60.42
Crusader R119001 Ballast Resistor - OEM CRUSADER - PCM Ballast Resistor Genuine Crusader Replaces Chrysler 4106140 Replaces Pleasurecraft Marine R119001 Replaces Prestolite 32-20 Replaces Crusader...
Tune Up Kit 302-351 (87 & Later) Prestolite - Mallory V8 Screw Down Original PCM Item RP173024A Tune Up Kit 302-351 (87 & Later) Prestolite - Mallory V8 Screw Down Original PCM Item RP173024A
18%
$57.00 $69.20
1987 & LATER V8 SCREW DOWN CAP ORIGINAL PCM Not Aftermarket Breaker Point Standard Ignition Tune Up Kit Includes Cap, Rotor, Points and Condenser SCREW...
Spark Plug Set GM Standard Engines 5.7L - 454 NGK-4323 Set Of 8 Plugs NGK BR6FS Spark Plug Set GM Standard Engines 5.7L - 454 NGK-4323 Set Of 8 Plugs NGK BR6FS
23%
$27.60 $35.84
NGK - 4323 Spark Plug Set BR6FS Includes 8 Plugs NGK-BR6FS Direct Cross To MR43T 260 - 270 HP Non Vortec - 454 Standard Fits...
Spark Plug Set Ford 351 HO - GT-40 Set Of 8 OEM RP030007 Spark Plug Set Ford 351 HO - GT-40 Set Of 8 OEM RP030007
3%
$37.00 $38.02
Original Crusader - PCM Spark Plug Set RP030007 Includes 8 Plugs PCM Spark plugs for 351's, GT-40 HO engines Note these Autolite 104 plugs supersede...
Items 121 to 140 of 484 total