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MSD 8239 Sport Compact Replacement Coil

4.5 4.5 out of 5 stars 229 ratings
$112.95
FREE Returns
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Purchase options and add-ons

Brand MSD
Vehicle Service Type Car
Item Weight 1000 Grams
Installation Type Plug In

About this item

  • Direct replacement coil is designed with improved materials and windings to produce a strong output
  • This improved spark helps burn the fuel mixture more efficiently, resulting in a smooth idle and improved midrange RPM power
  • The coil is designed to deliver a strong spark and will connect to factory wiring
  • The MSD coil features flat terminals, please contact MSD customer service for the connector to convert round terminals to flat
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MSD 8239 Sport Compact Replacement Coil
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Product Description

MSD 8239 Sport Compact Replacement Coil

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MSD 8239 Sport Compact Replacement Coil

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CALIFORNIA WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

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Customer reviews

4.5 out of 5 stars
4.5 out of 5
229 global ratings

Customers say

Customers like the quality, performance, value, and ease of installation of the ignition coil. For example, they mention it's a good factory replacement, runs smoother, and helps save money. They also like the fuel efficiency, and appearance. That said, some complain that the stock bolts won't fit in the holes.

AI-generated from the text of customer reviews

37 customers mention30 positive7 negative

Customers like the quality of the ignition coil. They say it's a high-quality, reliable part that holds up surprisingly well. Some customers also mention that it'll fit a Mini Cooper S R53 2006 and is a good factory replacement.

"...I also noticed my car starts right up every time too. I also have MSD wires and NGK spark plugs, which make having the coil so much more worth it...." Read more

"...This MSD replacement was actually better.My car idles, starts, and accelerates smoother and better...." Read more

"I bought this to replace my factory one. It is great quality being made with great construction ...." Read more

"The part is great but requires a different size bolt to fit a Mini Cooper...." Read more

35 customers mention32 positive3 negative

Customers are satisfied with the performance of the ignition coil. They mention that it works well, runs smoother, and has better high end response. Some say that it installs in minutes and has no problems. Overall, most are happy with the product's performance and appearance.

"...Definitely worth the money, my non-S 2006 runs smoother at the low end and has better power in the mid-range...." Read more

"...I have noticed a smoother idle and a little better gas mileage. And it wasnt hard to do either, it just takes a little bit to take out the bolts...." Read more

"...My car idles, starts, and accelerates smoother and better.BEWARE: I DID NOT PASS SMOG IN CALIFORNIA ( VISUAL INSPECTION WAS FAILED)...." Read more

"...I've noticed that the RPMS has dropped which means it doesn't use as much to keep it at a certain speed..." Read more

11 customers mention11 positive0 negative

Customers are satisfied with the value of the ignition coil. They mention that it is well worth the money, a cost-effective tune up item, and a perfect item.

"...Definitely worth the money, my non-S 2006 runs smoother at the low end and has better power in the mid-range...." Read more

"...It was well worth the $80 and I look forward to keep buying parts from MSD." Read more

"...So good quality stuff for a good price.Thank you guys!" Read more

"Worth the money! Installed on my 05 R53 JCW MINI...." Read more

9 customers mention9 positive0 negative

Customers find the installation of the ignition coil simple. They mention that it helps with rough idling and that the replacement is simple.

"...This is honestly an easy route to go and then you get to reuse the factory bolts and know that the factory torque spec will work for properly..." Read more

"Coil installed easily and seems to help with the rough idling, but no notice of any increased mileage gain" Read more

"Works and fits perfect! Easy install but you will need washers for tight install and secure fit." Read more

"...Replacement is simple and it works as expected and is much cheaper than other websites who sell the same product advertised as Mini Cooper specific." Read more

9 customers mention9 positive0 negative

Customers are satisfied with the fuel efficiency of the ignition coil. They mention that it provides more power in low and mid rpms, and improves fuel mileage. Some say that the engine runs smoother and that the mileage improved.

"...money, my non-S 2006 runs smoother at the low end and has better power in the mid-range...." Read more

"...I have noticed a smoother idle and a little better gas mileage. And it wasnt hard to do either, it just takes a little bit to take out the bolts...." Read more

"...it doesn't use as much to keep it at a certain speed which increases has mileage. So good quality stuff for a good price.Thank you guys!" Read more

"...Didn't notice any horse power / MPG gain, the red color matched my red spark plug wire pretty well, can't blame the bling factor." Read more

8 customers mention8 positive0 negative

Customers are satisfied with the appearance of the ignition coil. They mention that it looks good and is a great product.

"...The red color also accents the Engine bay and dresses it up quite nicely." Read more

"Good Product, looks great in engine bay" Read more

"...Couldn't tell a difference in performance from stock, but does look nice" Read more

"...It looks good, engine runs smoother, better fuel economy, car has more throttle response, and it was a fairly cheap addition worth every penny...." Read more

8 customers mention3 positive5 negative

Customers are mixed about the misfires. Some mention that the ignition coil is the cause of their car's misfire issues, while others say that it's the cause for their car to stall.

"Was having some issues with my 2005 Dodge Neon SXT - misfires, rough idle, hard starts. So, decided to do a little tune up to possibly fix it...." Read more

"...I combined it with thicker spark plug wires and all my misfire issues vanished! Plus, the red made my engine bay pop!" Read more

"...In the end, it fried the driver on the cars computer. This was a $700 fix. Not the fault of the ignition coil, it was just too hot for my car...." Read more

"...the old coil with this one and now my car idles so smooth, no more misfires and no more cylinder fails, perfect item, DEFINETLY RECOMMEND!" Read more

20 customers mention5 positive15 negative

Customers are dissatisfied with the fit of the ignition coil. They mention that the stock bolts will not fit in the holes, the bushing is too big, and the part requires a different size bolt to fit a Mini Cooper. Some say that the part fits but needs a few washers for secure fit.

"...Note, the bolt holes for this coil DO NOT fit the MINI's factory coil's bolts...." Read more

"...When buying this product, you CAN NOT use the oem bolts, you must order aftermarket ones." Read more

"the coil fits perfectly, but it doesn't come with screws and the original mini cooper s 05 coil screws do not fit...." Read more

"...The main issue with this part is that it lacks the proper hardware to fasten it to the plastic value cover...." Read more

Good Product, looks great in engine bay
4 Stars
Good Product, looks great in engine bay
Good Product, looks great in engine bay
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Top reviews from the United States

AGuilani
5.0 out of 5 stars not an exact fit on Mini Cooper without drilling
Reviewed in the United States on June 3, 2020
Verified Purchase
you have to drill out the metal sleeves to use the stock Mini Cooper bolts. Not a big deal, if you have the good size drill bit and 5 minutes to spare! Definitely worth the money, my non-S 2006 runs smoother at the low end and has better power in the mid-range. I had already upgraded the cables and plugs, so I can tell this coil made a difference.
One person found this helpful
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Erik Rolfs
5.0 out of 5 stars Great replacement coil for 2006 MINI Cooper S (R53)
Reviewed in the United States on May 13, 2014
Verified Purchase
This coil replaced my OEM coil at 88k miles. This coil is originally a drop in replacement for Dodge Neon's however, due to the Chrysler based Tritec Motor in the R50 and R53 MINI cooper's, this coil will also fit.

Note, the bolt holes for this coil DO NOT fit the MINI's factory coil's bolts. No big deal, this is much publicized around the net and I was aware of this problem before purchasing. There are 2 ways around this issue.

#1 Replace the bolts. I did not choose this route as the stock bolts have a metal cylinder sleeve with rubber bushings at the top and bottom of the coil to reduce vibration and increase longevity of the coil. These also help to prevent the coil's bolts from being overtorqued. Others that simply replace the bolts with standard bolts lose this sleeve and bushings and therefore have to worry about stripping out the valve cover threads, cracking the valve cover due to overtorquing, or having issues from the bolts being inserted too deep into the valve cover's threaded studs.

I chose option #2, drill out the holes of the MSD coil to enlarge them to factory size. This was quite simple actually. The pressed in sleeves on the MSD coil I believe are aluminum, at least it seemed that way because they cut quite easily with standard drill bits. I simply removed the OEM coil and figured out what size drill bit was required (I don't remember now). Then put the MSD coil on the drill press and gradually increased the drill bit sizes incrementally until the bolt holes were large enough to accept the factory bolts. This is honestly an easy route to go and then you get to reuse the factory bolts and know that the factory torque spec will work for properly securing the coil without damaging the valve cover.

My main reason for replacing the coil was due to high mileage with a slight 'miss' on idle. The number 3 terminal of the OEM coil corrodes and this rust and corrosion will build up on the coil and the spark plug wire connector as well. I could've replaced with another coil but why when the MSD is both cheaper and an improvement. True both produce the same output voltage, however MSD has brass terminals which will not corrode and rust like the OEM coil. Because of this I chose the MSD. The red color also accents the Engine bay and dresses it up quite nicely.
16 people found this helpful
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Danny
5.0 out of 5 stars Could definitely tell an improvement.
Reviewed in the United States on July 18, 2011
Verified Purchase
Replacing the old coil with this MSD coil on my Neon was definitely worth it. I have noticed a smoother idle and a little better gas mileage. And it wasnt hard to do either, it just takes a little bit to take out the bolts. I also noticed my car starts right up every time too. I also have MSD wires and NGK spark plugs, which make having the coil so much more worth it. It was well worth the $80 and I look forward to keep buying parts from MSD.
3 people found this helpful
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Adrian Hui
5.0 out of 5 stars Mini Cooper S (R53)
Reviewed in the United States on January 6, 2014
Verified Purchase
Great replacement for the Mini Cooper S.

My OEM coil pack began to create residue on the 3rd terminal. This MSD replacement was actually better.
My car idles, starts, and accelerates smoother and better.

BEWARE: I DID NOT PASS SMOG IN CALIFORNIA ( VISUAL INSPECTION WAS FAILED). Just used my OEM pack to pass and then replaced it back to the MSD.

When buying this product, you CAN NOT use the oem bolts, you must order aftermarket ones.
5 people found this helpful
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Matthew Morrison
5.0 out of 5 stars Much better improvement!
Reviewed in the United States on October 29, 2015
Verified Purchase
I bought this to replace my factory one. It is great quality being made with great construction . With these in my neon (with the MSD Super Conductor Spark Plug Wire Set) I've noticed that the RPMS has dropped which means it doesn't use as much to keep it at a certain speed which increases has mileage. So good quality stuff for a good price.
Thank you guys!
One person found this helpful
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Trung Nguyen
4.0 out of 5 stars Buy dielectric grease! MSD ignition coil, NGK spark plug wires, and cooler iridium plugs for my R53.
Reviewed in the United States on December 1, 2021
Verified Purchase
I replaced these components at 125K miles. The increased throttle response made me drive like a maniac, then POP -- engine light and car went into limp mode. I was too lazy to go buy a $1.50 pack of dielectric grease. Don't make the same mistake.

To Non-believers: sparks are created by arc(s) between the +/- electrodes. Let's ignore the copper vs platinum vs iridium spark plugs and the number of electrodes. The strength of an arc is dependent on the voltage supplied by the coil, and the conductivity of the ignition and sparkplugs which deteriorate over time. Keeping everything constant, the strength of an arc is dependent on the Kv supplied by the ignition coil (Kv of OEM vs Kv of aftermarket). The bigger the arc, the faster and more complete the A/F mixture burns (more power and faster throttle response), the better fuel economy (complete combustion & less carbon build up). Most people will not notice the difference with a coil upgrade. Try replacing all the ignition components and tell me how it feels. Just don't forget the dielectric grease. LOL.
2 people found this helpful
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ryan
5.0 out of 5 stars Works Great
Reviewed in the United States on November 19, 2015
Verified Purchase
Was having some issues with my 2005 Dodge Neon SXT - misfires, rough idle, hard starts. So, decided to do a little tune up to possibly fix it. Got the MSD 8239 ignition coil, MSD 32729 spark plug wires, and some Bosch (4501) FGR8DQI platinum IR fusion spark plugs. And sure enough my idle has significantly decreased (use to shake my entire car), stars one the first or second crank, and no more misfire codes.
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ryan
5.0 out of 5 stars Works Great
Reviewed in the United States on November 19, 2015
Was having some issues with my 2005 Dodge Neon SXT - misfires, rough idle, hard starts. So, decided to do a little tune up to possibly fix it. Got the MSD 8239 ignition coil, MSD 32729 spark plug wires, and some Bosch (4501) FGR8DQI platinum IR fusion spark plugs. And sure enough my idle has significantly decreased (use to shake my entire car), stars one the first or second crank, and no more misfire codes.
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2 people found this helpful
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Letting you know
5.0 out of 5 stars Great coil
Reviewed in the United States on June 21, 2013
Verified Purchase
the coil fits perfectly, but it doesn't come with screws and the original mini cooper s 05 coil screws do not fit. They have a spacer on them that doesn't fit it the hole the msd coil has. I used a claw hammer and beat the spacers off not very easy but it worked. Also replaced the factory rubber spacers with some flat rubber o-rings that had a better fit that the round ones that come factory
3 people found this helpful
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Top reviews from other countries

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Sebastian
5.0 out of 5 stars Mini cooper r53
Reviewed in Mexico on December 7, 2023
Verified Purchase
Le da más potencia y suavidad al motor
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Kristian Molloy
5.0 out of 5 stars Great product
Reviewed in Canada on April 3, 2018
Verified Purchase
Was in need of a new coilpack. This works great and now I need to replace my spark plugs and wires.
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Erwin
3.0 out of 5 stars Funcionó bien, pero al final fallo ...
Reviewed in Mexico on November 29, 2020
Verified Purchase
Al principio funcionó muy bien, pero al tiempo de uso fallo, desconozco si fue por defecto de fabricación ...
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Albert C.
5.0 out of 5 stars Five Stars
Reviewed in Canada on September 10, 2017
Verified Purchase
Great product great price fast delivery
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Richard
4.0 out of 5 stars but a great product itself mated to low temp plugs and MSD ...
Reviewed in Canada on March 5, 2018
Verified Purchase
Needed to go buy 4 bolts and washers to make it fit, the originals had sleeves... but a great product itself mated to low temp plugs and MSD wires on my MCS R53 gave great results in the midrange and top end, lessened backfires when off the gas.
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