MerCruiser Ignition System
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OEM Quicksilver/Mercury Spark Plug Wires 84-847701Q25
Mercury Marine / Quicksilver
$112.33 $86.06OEM Quicksilver/Mercury Spark Plug Wires 84-847701Q25 Spark plug set 847701Q25 is for use on V-8 MerCruiser 500 EFI engines (1998 through 2004) and MerCruiser 575 SCi engines (2000 through 2005).- Part Number:
- 710-84-847701Q25
- Availability:
- In Stock - Ships same or next business day.
- Application:
- Blue wires - Fits MCM 500 EFI ('98 & Newer) & 575 SCi ('00 & Newer)
$112.33 $86.06 -
OEM Quicksilver/Mercury Delco Distributor Cap 811635T 3
Mercury Marine / Quicksilver
$18.90 $14.08OEM Quicksilver/Mercury Delco Distributor Cap 811635T 3 This item is the distributor cap only. It fits 4-cylinder MerCruiser Engines made by General Motors with Delco EST (electronic spark timing) ignition systems. See your owner’s manual...- Part Number:
- 710-811635T 3
- Availability:
- In Stock - Ships same or next business day.
- Application:
- GM 4 cyl. w/ Delco EST ignition
$18.90 $14.08 -
OEM Quicksilver/Mercury Spark Plug Wires 84-816608Q71
Mercury Marine / Quicksilver
$103.75 $79.67OEM Quicksilver/Mercury Spark Plug Wires 84-816608Q71 Spark plug set 816608Q71 is for use on V-8 350 CID General Motors marinized engines with Delco HEI ignition systems (1995 through 1998).- Part Number:
- 710-84-816608Q71
- Availability:
- In Stock - Ships same or next business day.
- Application:
- Red wires - Fits GM V-8 350 cid engines with Delco HEI ignition ('95-'98)
$103.75 $79.67 -
OEM Quicksilver/Mercury 4.3L Distributor Cap 898253T23
Mercury Marine / Quicksilver
$107.17 $79.73OEM Quicksilver/Mercury 4.3L Distributor Cap 898253T23 Fits MerCruiser 4.3L Engines with Multi-Point Electronic Fuel Injection (MPI). See your owner’s manual for replacement information and directions.- Part Number:
- 710-898253T23
- Availability:
- In Stock - Ships same or next business day.
- Application:
- MCM 4.3L MPI
$107.17 $79.73 -
OEM Quicksilver/Mercury Mallory Tune Up Kit 391-5090Q 1
Mercury Marine / Quicksilver
$46.75 $35.90MerCruiser Tune Up Kit Mallory Ign 391-5090Q 1 For marinized V-8 MerCruiser Engines Made by General Motors or Ford with Mallory Conventional Ignition Systems. See your owner’s manual for replacement information and directions.- Part Number:
- 710-391-5090Q 1
- Availability:
- In Stock - Ships same or next business day.
- Application:
- Ford/GM V8's w/ Mallory single point ignition (tall cap)
$46.75 $35.90 -
OEM Quicksilver/Mercury Distributor Cap & Rotor Kit- Black Scorpion 805759T05
Mercury Marine / Quicksilver
$74.08 $56.90OEM Quicksilver/Mercury Distributor Cap & Rotor Kit- Black Scorpion 805759T05 Please confirm fitment of MerCruiser parts with your serial numberPhotos and descriptions provided via Mercury may not always be accurateAll of our Mercury parts are sold...- Part Number:
- 710-805759T05
- Availability:
- In Stock - Ships same or next business day.
- Application:
- Black Scorpion Tow Sports (s/n 0M391600 and up) and MX 6.2L Black Scorpion Tow Sports (s/n 0M391750 and up)
$74.08 $56.90 -
OEM Quicksilver/Mercury Spark Plug Wire Kit 84-816608Q78
Mercury Marine / Quicksilver
$104.33 $80.10OEM Quicksilver/Mercury Spark Plug Wire Kit 84-816608Q78 Spark plug set 816608Q78 is for use on MerCruiser Black Scorpion Tow Sports engines with Delco HEI ignition systems (1997 through 1998).- Part Number:
- 710-84-816608Q78
- Availability:
- In Stock - Ships same or next business day.
- Application:
- Red wires - Fits Black Scorpion Tow Sports w/Delco HEI ignition (1997-1998)
$104.33 $80.10 -
OEM Quicksilver/Mercury Spark Plug Wires 84-816761Q 3
Mercury Marine / Quicksilver
$92.42 $71.24OEM Quicksilver/Mercury Spark Plug Wires 84-816761Q 3 Spark plug set 816761Q3 is for use on V-8 MerCruiser (RH) engines (305 and 350 CID)withThunderbolt IV ignition systems (1981 through 1993).- Part Number:
- 710-84-816761Q 3
- Availability:
- In Stock - Ships same or next business day.
- Application:
- Fits GM V-8 305 - 350 cid engines (RH) with Thunderbolt IV ignition ('81-'93)
$92.42 $71.24 -
OEM Quicksilver/Mercury Prestolite Tune Up Kit 392-6324Q 1
Mercury Marine / Quicksilver
$31.58 $25.77MerCruiser Tune Up Kit Prestolite 392-6324Q 1 For 3.0L, 3.7L, 3.8L (V-6) 5.7L and V-8 MerCruiser Engines with Prestolite Conventional Ignition Systems having screw down caps. See your owner’s manual for replacement information and directions.- Part Number:
- 710-392-6324Q 1
- Availability:
- In Stock - Ships same or next business day.
- Application:
- Prestolite 4 cyl - V6 & V8 - ignition (screw-down cap)
$31.58 $25.77 -
Sold out - Special order may be available, please call 856-232-6969 ext1
OEM Quicksilver/Mercury Distributor Cap 815407Q02
Mercury Marine / Quicksilver
$41.33 $31.74OEM Quicksilver/Mercury Distributor Cap 815407Q02 This distributor cap kit contains the cap only. It fits marinized, V-6 MerCruiser Engines made by General Motors with Thunderbolt IV and V HEI Ignition Systems. See your owner’s manual for...- Part Number:
- 710-815407Q02
- Availability:
- In Stock - Ships same or next business day.
- Application:
- GM V-6 w/ Thunderbolt IV & V HEI ignitions
$41.33 $31.74 -
OEM Quicksilver/Mercury Mallory Distributor Cap 391-5075Q 1
Mercury Marine / Quicksilver
$61.83 $47.49MerCruiser Cap-Distrib Mallory Ign 391-5075Q 1 Fits Marinized, V-8 MerCruiser Engines made by Ford Motor Company with Mallory Conventional Ignition Systems. See your owner’s manual for replacement information and directions.- Part Number:
- 710-391-5075Q 1
- Availability:
- In Stock - Ships same or next business day.
- Application:
- Mallory V-8 point ignition (tall cap)
$61.83 $47.49 -
OEM Quicksilver/Mercury Prestolite Tune Up Kit 392-6325Q 1
Mercury Marine / Quicksilver
$32.33 $26.38MerCruiser Tune Up Kit Prestolite Ign 392-6325Q 1 Fits MerCruiser Engines from Ford Motor Company in their 888 (serial number 3108723 and above) and 233 (serial number 4173000 and above) Series with Prestolite Conventional Ignition Systems having clip...- Part Number:
- 710-392-6325Q 1
- Availability:
- In Stock - Ships same or next business day.
- Application:
- Prestolite V-8 point ignition (clip-down cap)
$32.33 $26.38 -
OEM Quicksilver/Mercury Spark Plug Wires 84-816761Q12
Mercury Marine / Quicksilver
$104.25 $80.04OEM Quicksilver/Mercury Spark Plug Wires 84-816761Q12 Spark plug set 816761Q12 is for use on V-8 MerCruiser tow Sports inboard engines (5.7L) made by General Motors with conventional points ignition systems (1985 through 1995).- Part Number:
- 710-84-816761Q12
- Availability:
- In Stock - Ships same or next business day.
- Application:
- Fits MIE 5.7L Tow Sports with conventional point ignition ('85-'95)
Outboard Marine Corp. P/N: 503752-503755
$104.25 $80.04 -
Sold out - Special order may be available, please call 856-232-6969 ext1
OEM Quicksilver/Mercury V8 High-Performance Spark Plug Wires 84-847701Q 7
Mercury Marine / Quicksilver
$114.75 $87.85OEM Quicksilver/Mercury V8 High-Performance Spark Plug Wires 84-847701Q 7 Spark plug set 847701Q7 is for use on V-8 MerCruiser High Performance engines (454, 502, 540 and 572 CID) with Thunderbolt IV ignition systems (1990 and newer).- Part Number:
- 710-84-847701Q 7
- Availability:
- In Stock - Ships same or next business day.
- Application:
- Blue wires - Fits GM Hi-Perf V-8 454/502/540/572 cid engines w/ Thunderbolt IV ignition (1990 & newer)
$114.75 $87.85 -
OEM Quicksilver/Mercury Delco Cap & Rotor Kit 850484T 3
Mercury Marine / Quicksilver
$57.33 $44.03OEM Quicksilver/Mercury Delco Cap & Rotor Kit 850484T 3 This kit includes the distributor cap and rotor. It fits Marinized, V-6 MerCruiser Engines made by General Motors with Delco HEI ignition systems. See your owner’s manual for...- Part Number:
- 710-850484T 3
- Availability:
- In Stock - Ships same or next business day.
- Application:
- MerCruiser - Crusader -Volvo Penta GM 4.3L V6 w/ Delco EST ignition
$57.33 $44.03 -
OEM Quicksilver/Mercury Spark Plug Wire Kit 84-816608Q80
Mercury Marine / Quicksilver
$103.50 $79.48OEM Quicksilver/Mercury Spark Plug Wire Kit 84-816608Q80 Spark plug set 816608Q80 is for use on MerCruiser 5.7L Inboard and Tow Sports engines with Thunderbolt IV ignition systems (1998 through 2010).- Part Number:
- 710-84-816608Q80
- Availability:
- In Stock - Ships same or next business day.
- Application:
- Red wires - Fits 5.7L MIE & Tow Sports with Thunderbolt IV ignition ('98 & Newer)
$103.50 $79.48 -
OEM Quicksilver/Mercury Spark Plug Wires 84-816761Q 7
Mercury Marine / Quicksilver
$80.67 $64.51OEM Quicksilver/Mercury Spark Plug Wires 84-816761Q 7 Spark plug set 816761Q7 is for use on V-6 MerCruiser engines (229 CID) with conventional points ignition systems (1983 through 1984).- Part Number:
- 710-84-816761Q 7
- Availability:
- In Stock - Ships same or next business day.
- Application:
- Fits GM V-6 229 cid engines w/ conventional points ignition (1983-1984)
$80.67 $64.51 -
OEM Quicksilver/Mercury Spark Plug Wires 84-816761Q13
Mercury Marine / Quicksilver
$61.25 $47.04Spark plug set 816761Q13: Is for use on 3.0L and LX versions of MerCruiser engines with Delco digital ignition systems (1990 through 1995). Complete set of four spark plug wires with boots at spark plug end.- Part Number:
- 710-84-816761Q13
- Availability:
- In Stock - Ships same or next business day.
- Application:
- Fits MCM 3.0L/LX w/ Delco digital ignition (1990-1995)
$61.25 $47.04 -
Sold out - Special order may be available, please call 856-232-6969 ext1
OEM Quicksilver/Mercury Delco V6 Distributor Cap 850484T 2
Mercury Marine / Quicksilver
$37.83 $29.06OEM Quicksilver/Mercury Delco V6 Distributor Cap 850484T 2 This is the distributor cap only. It fits Marinized, V-6 MerCruiser Engines made by General Motors with Delco HEI ignition systems. See your owner’s manual for replacement...- Part Number:
- 710-850484T 2
- Availability:
- In Stock - Ships same or next business day.
- Application:
- GM V-6 engines w/ Delco HEI ignition
$37.83 $29.06 -
OEM Quicksilver/Mercury Prestolite Distributor Cap 392-9766Q 1
Mercury Marine / Quicksilver
$48.17 $36.99MerCruiser Cap-Distrib-Prestolite Ign 392-9766Q 1 Fits Marinized, V-8 MerCruiser Engines made by General Motors with Prestolite conventional ignition systems. See your owner’s manual for replacement information and directions.- Part Number:
- 710-392-9766Q 1
- Availability:
- In Stock - Ships same or next business day.
- Application:
- Prestolite V-8 (screw-down cap)
$48.17 $36.99
MerCruiser Ignition System
MerCruiser is well-known for its cutting-edge ignition systems. Products such as the MerCruiser 3.0 digital electronic ignition system are quickly becoming labeled as the top of their class due to their high-performance capabilities. As a top-rated American MerCruiser dealer, NuWave Marine supplies every customer with a 1-year factory warranty on all MerCruiser ignition systems as well as fuel systems, cooling systems, and water distribution systems. Shop with peace of mind knowing that our support team is here to help before and after purchase to make sure everything goes smoothly with your new engine components.
MerCruiser Thunderbolt Ignition System
Introduced in 1982, the Thunderbolt is an extremely powerful and reliable MerCruiser ignition system that was built to stand the test of time. Unlike other ignition systems, the Thunderbolt does not support the usage of points. Rather, its distributor contains an electronic sensor enabling the Thunderbolt to send a low-voltage pulse to the ignition module whenever a Sensor Wheel tab moves through the sensor gap.
MerCruiser 5.7 Ignition System
Being both fuel efficient and economical, another great choice for many boat lovers is the MerCruiser 5.7 ignition system. These types of engines tend to produce significantly more power and torque than their counterparts. The ergonomic design of the MerCruiser 5.7 allows the boat to smoothly cut through the water with ease. From starter motors to spark plug ignition wires, we’ve got every part you need to get your baby back on the water.
Questions? We’re Happy to Assist
Here at NuWave Marine, we know how important it is for boat owners to keep their prized possessions in the best shape possible. That’s why we leverage our experience and knowledge to help you find the right products at fair prices. Have a question about our serpentine belts, electronic ignition conversion kit for MerCruiser, or any of our other MerCruiser engine parts? Our team of highly specialized support representatives are happy to assist you and ensure you walk away from your purchase with 100% satisfaction.