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Rugged Ridge Throttle Body Spacer (12-18 3.6L Jeep Wrangler JK; 2018 3.6L Jeep Wrangler JL)
Market Price $59.99
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$44.99 (each)
FREE Shipping on orders over $75- Item J21420
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MPN# 17755.03
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Ship to: Ashburn - 20149
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Features, Video & Details
- Throttle Body Spacer
- Solid Aluminum
- Black Anodized Finish
- Lifts the Throttle Body 1 Inch Above the Intake Manifold
- Large Bore Design Sucks in Plenty of Cold Air to Increase Torque and Horsepower
- Easy Bolt-On Installation Requires No Drilling
- 6 Inches Diameter by 1 Inch Thickness, 1 Ounce
- Hardware Included
- 5 Year Limited Warranty
- Fits 2012-2018 3.6L Wrangler JK and JL Models
Review & Installation Video
Review & Install Video
Boost Performance. Rugged Ridge makes this Throttle Body Spacer for the latest and greatest Wrangler JK models to help you boost your engine's performance, torque, and horsepower. The large bore spacer raises the throttle body 1 inch above the intake manifold, thus letting your Jeep's engine suck in plenty of cold, dense, power-boosting air. You can install this high quality aluminum spacer in an hour or two using simple hand tools, with no need to drill new holes.
Durable Construction. With a gasket and all hardware included, the Throttle Body Spacer by Rugged Ridge comes ready to install. Measuring 1 inch in thickness to give a similar lift to the throttle body above the engine manifold, this spacer features a large, smooth bore for pulling in plenty of air. Construction is solid aluminum for toughness and corrosion resistance, further enhanced by a black anodized coating. Rugged Ridge covers this part with a 5 year limited warranty against manufacturing defects.
Application. This Rugged Ridge Throttle Body Spacer is specifically designed to be used on the 2012-2018 Wrangler JK and JL models equipped with the 3.6L V6 engine.
Technical Note. This Rugged Ridge Throttle Body Spacer is not legal for use in California or other states adopting California emission standards.
Durable Construction. With a gasket and all hardware included, the Throttle Body Spacer by Rugged Ridge comes ready to install. Measuring 1 inch in thickness to give a similar lift to the throttle body above the engine manifold, this spacer features a large, smooth bore for pulling in plenty of air. Construction is solid aluminum for toughness and corrosion resistance, further enhanced by a black anodized coating. Rugged Ridge covers this part with a 5 year limited warranty against manufacturing defects.
Application. This Rugged Ridge Throttle Body Spacer is specifically designed to be used on the 2012-2018 Wrangler JK and JL models equipped with the 3.6L V6 engine.
Technical Note. This Rugged Ridge Throttle Body Spacer is not legal for use in California or other states adopting California emission standards.
Fitment: 2012 2013 2014 2015 2016 2017 2018 Details
CA Residents: 
Warning: California's Proposition 65
- What's in the Box
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- Installation Info
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Installation Time: (approx) 20 Minutes
Difficulty Level:Simple installation for anyone
Installation Guides:
- Manufacturer:
- How to Install a Rugged Ridge Throttle Body Spacer
- Will it fit my Wrangler?
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- JK Rubicon 2 Door - 12, 13, 14, 15, 16, 17, 18
- JK Rubicon 4 Door - 12, 13, 14, 15, 16, 17, 18
- JK Wrangler 2 Door - 12, 13, 14, 15, 16, 17, 18
- JK Wrangler 4 Door - 12, 13, 14, 15, 16, 17, 18
- JL Rubicon 2 Door - 18
- JL Rubicon 4 Door - 18
- JL Wrangler 2 Door - 18
- JL Wrangler 4 Door - 18
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Questions & Answers (2)
2 Top Rated Questions
If I have a K N Cold Air Filter installed, will this fit? 2015 JK.
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Yes, this will fit even if you have an aftermarket cold air intake installed.
How do I fix the whistle when I turn it on or accelerate?
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The Rugged Ridge Throttle Body Spacer will produce this whistling sound which is common for all throttle body spacers.
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Customer Reviews (44) Write a Review
Overall Rating
out of 5 stars
Installation Time:Less than 1 Hour
no one in the world ever gets what they want, and that is beautiful
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5/5
Installation Time: Less than 1 Hour
September 18, 2018
Rugged Ridge
Bought this with Red Rock cold air intake. Nice fitment, installed quick (10 min), does as it's supposed to. After first hour long trip noticed 2 mpg improvement. Not sure if air filter or spacer or both, but best upgrade decision. Recommend this for jeep.
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5/5
Installation Time: Less than 1 Hour
September 02, 2018
Throttle Body Spacer!
Purchased this along with the Rugged Ridge Cold Air Intake System. Easy installation, looks good doesn't have the whining or whistle that most say. With the addition of the Cold Air Intake, there is definitely a difference in the low end torque and a nice sound! Possibly 1-2 MPG gain!
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5/5
Installation Time: Less than 1 Hour
August 04, 2018
easy install
I got this with a cold air intake and a bug deflector. I installed this along with the col air return so it only added a few minutes to the install. My MPG went from 15.5 to 18.2 on the freeway (80 MPH).
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5/5
Installation Time: Less than 1 Hour
July 03, 2018
Red rock cold air intake
This is a spacer to move your throttle body up and away from the heat of the engine to cool down the air through the air intake. Which I changed to a cold air intake at the same time that I put this spacer on. My jeep used to run at a temp at about 230° after the change out and installation of the spacer I'm running between 197° and 203°.
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1/5
May 31, 2018
Missing pieces
Didn’t receive the bolts or spacers when I ordered this. Contacted extreme terrain multiple times to no avail. No hardware store near me carried them, so I had to order them in bulk online for an additional 20 bucks when it should’ve been included.
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1/5
April 23, 2018
Rugged Ridge Throttle Body
The Rugged Ridge Throttle Body did nothing for my Jeep but cause the O2 sensor to come on. I changed that sensor and now another one has went bad on the opposite side, I will not recommend this to anyone, should have got the one from Airaid I know that one it doesn't cause problems. Now I'm out two O2 sensors!!!!
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4/5
Installation Time: Less than 1 Hour
April 17, 2018
Quick and easy
Not sure about true performance gains, as I paired this install with the install of the RedRock cold air and axle back exhaust, but the install itself was suuuper easy and quick.
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5/5
Installation Time: Less than 1 Hour
March 20, 2018
Great
It’s definitely as advertised. I paired it with a RedRock air intake. It was a tight squeeze with the two combined but once it fit in there it was great. Immediately noticed a difference in power and an increase in MPG. For the money you can’t beat it.
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3/5
Installation Time: Less than 1 Hour
March 17, 2018
So so
Slightly better mileage but acceleration seems to be improving
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1/5
Installation Time: Less than 1 Hour
February 24, 2018
couldn't stand the whistle
the item arrived quickly, as described. installation was relatively easy. however, immediately upon installing it i developed a very annoying whistling sound whenever i pressed the gas pedal. i left it on there about a week to see if there were any performance gains, and I did not notice any at all. i removed it because the whistle was embarrassing in parking lots
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5/5
Installation Time: Less than 1 Hour
February 21, 2018
Throttle Body
Very impressed with the performance, price, and install of the TBS. Immediate low end pickup with a responsive throttle all the way through the rev range.
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5/5
Installation Time: Less than 1 Hour
January 23, 2018
Looks And Sounds Cool
Pretty cool and simple install. You're not going to notice a crazy difference in power, torque, or gas mileage (I may have gotten a 0.5 mpg but I drive on city streets a lot so every little bit helps). It does look pretty cool and it's a good install to go with a cold air intake. It does give a nice air sucking sound when you give it some gas. It took my cousin and I less than an hour to install and we did it in the dark so one of us held the light while the other did the work.
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5/5
Installation Time: Less than 1 Hour
December 31, 2017
Rugged ridge throttle body
Easy to install haven’t noticed any mpg gains so throttle response.
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4/5
Installation Time: Less than 1 Hour
December 24, 2017
Nice!
Delivers horses! Very snappy a los response at low end but at speed wow! Knicks in and gone. I also installed Cold air and exhaust. Im hoping for more fuel economy? Yet to find out.
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5/5
Installation Time: Less than 1 Hour
December 13, 2017
Love it!
Has lots of response now diffentaly can tell when you press the gas pedal.
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5/5
Installation Time: Less than 1 Hour
December 09, 2017
Great performance for the price
Combined this with rugged ridge cold air intake and gained 2.9 mpg
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3/5
Installation Time: Less than 1 Hour
December 07, 2017
It's just ok.
I did see a little more throttle response, but no great thrill. I had to take it off though because the new AFE cold air intake wouldn't fit with it installed.
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5/5
Installation Time: Less than 1 Hour
November 10, 2017
Excellent choice
Simple addition to add a little more horse power. Easy install with the new cold air intake. It seems my little 3.6 can actually breath now.
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4/5
Installation Time: Less than 1 Hour
November 02, 2017
Horsepower ?
Definitely can tell in thottle responsee but not sure of horsepower increase
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5/5
Installation Time: Less than 1 Hour
October 31, 2017
Throttle body.
Great product. Does exactly what it's supposed to.
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Word On The Trail
Never had anything but the best on line experience with Extreme Terrain.com. Prices are always competitive. I have spoken with customer service and they have been very helpful and friendly. Shipping is always fast and has been free on items over $75. I will use them for all of my Jeep needs.
Meet Our Team
Chris S, 1997 Jeep Wrangler TJ
Post Production Artist
Never owned a wrangler, was a big motorcycle and sports car fan. I wanted a simple vehicle that would go wherever I wanted and was easy enough to work on.
Never owned a wrangler, was a big motorcycle and sports car fan. I wanted a simple vehicle that would go wherever I wanted and was easy enough to work on.
