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UltraCool Below Regulator Mount Oil Cooler Kit

(6 reviews)

Item: 388053

$449.10

Select Your Vehicle - Fitment Guaranteed

UltraCool Below Regulator Mount Oil Cooler Kit


  • Oil cooler kit for mounting below the regulator
  • Sealed waterproof IP68 fans produce 220 CFM of airflow
  • Oil adapter and thermal switch automatically turns on the dual fans when your oil reaches 210 Degrees F
  • Specially designed aluminum heat exchanger with turbulators for maximum heat dissipation
  • Plug-and-play wiring harness with relay and waterproof connectors that all connects to the battery under the seat for simple installation
  • Black nylon coated stainless steel braided oil lines with AN6 fittings
  • Specially designed oil line fitting wrench
  • Has the ability to drop your oil temperature up to 50 Degrees F
  • Works with stock, or stock replacement oil filter (sold separately)
  • Complete kit; ready to install
Specification Details
Color Varies (make selection above)
Finish Varies (make selection above)
Position Below Regulator

Vehicle Fitment


Fitment is guaranteed or your money back plus free return shipping.
Don’t waste time installing a product that doesn't fit. We worked hard ensuring that this product is an exact fit on the vehicles listed below.

Harley Davidson
  • FLHR Electra Glide Road King 1994
  • FLHR Road King 1995-2016
  • FLHRC Road King Classic 2007-2013
  • FLHRS Road King Custom 2004-2006
  • FLHT Electra Glide Standard 1999-2006, 2009
  • FLHTC Electra Glide Classic 1994-2005, 2007-2013
  • FLHTCI Electra Glide Classic 1996-2006
  • FLHTCU Ultra Classic Electra Glide 1994-2016
  • FLHTCUI Ultra Classic Electra Glide 1995-2006
  • FLHTCUL Electra Glide Ultra Classic Low 2015-2016
  • FLHTI Electra Glide Standard 2003-2006
  • FLHTK Electra Glide Ultra Limited 2010-2016
  • FLHTKL Electra Glide Ultra Limited Low 2015-2016
  • FLHX Street Glide 2006-2016
  • FLHXS Street Glide Special 2014-2016
  • FLTR Road Glide 1999-2002, 2007-2009
  • FLTRU Road Glide Ultra 2011-2013, 2016
  • FLTRX Road Glide 2015-2016
  • FLTRX Road Glide Custom 2010-2013
  • FLTRXS Road Glide Special 2015-2016
  • FXD Dyna Super Glide 1995-2005, 2007-2010
  • FXDB Dyna Street Bob 2007-2017
  • FXDC Dyna Super Glide Custom 2005, 2007-2014
  • FXDCI Dyna Super Glide Custom 2005-2006
  • FXDF Dyna Fat Bob 2008-2017
  • FXDI Dyna Super Glide 2004-2006
  • FXDI35 35th Anniversary Dyna Super Glide 2006
  • FXDL Dyna Low Rider 1999-2005, 2014-2017
  • FXDLI Dyna Low Rider 2004-2006
  • FXDLS Dyna Low Rider S 2016-2017
  • FXDS-CONV Dyna Convertible 1995-2000
  • FXDWG Dyna Wide Glide 1993-2005, 2007-2008, 2010-2017
  • FXDWGI Dyna Wide Glide 2004-2006
  • FXDX Dyna Super Glide Sport 1999-2005
  • FXDXI Dyna Super Glide Sport 2004-2005
  • FXDXT Dyna Super Glide T-Sport 2001-2003

Customer Reviews

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Albert from Alberta

By   on 

Very impressive, easy to install, definitely the one to buy.


Very pleased with the oil cooler purchase and buying experience

By   on  Verified Purchaser

This was an excellent purchase experience. The cooler was exactly what I was expecting. So far I’m very pleased with the oil cooler.


Good company

By   on  Verified Purchaser

Meets and exceeds expectations.


Ultra Cool oil cooler

By   on  Verified Purchaser

First class part. Best price.


Amazing product

By   on  Verified Purchaser

Was skeptical when reading reviews. Then purchased ultracool, it exceeded my expectations. If your thinking about purchasing the ultracool. Stop thinking anymore and just buy it...I'm impressed.


Oil cooler

By   on  Verified Purchaser

After over 1,000 miles in 90 + heat, my 2008 dyna takes the temperature down about 10-20 degrees cooler w/ dip stick temperature gauge.


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Questions & Answers

Ask Question

Will it fit a 2014 street glide special

Yes, this kit is offered for that bike. Just be sure to select the correct year/make/model before adding to your cart.

By Andy
Answer Question

Will it fit a 2008 rk classic

Yes, just be sure to choose that 2008 Harley Davidson FLHRC Road King Classic before adding to your cart.

By Andy
Answer Question

Does it fit 2011 Triglide ultra classic ?

After checking with UltraCool, you can install this kit on a 2011 FLHTCUTG Tri Glide.

By Andy
Answer Question

What temp will it kick on

The fans for this kit would kick on when the oil temp reaches 210 degrees Fahrenheit.

By Andy
Answer Question

Would it fit my 2006 Electra glide classic

Yes, this kit would indeed fit that 2006 FLHTC Electra Glide Classic.

By Andy
Answer Question

How does the feed and return lines tap into the oil system of the bike ? Is thru a oil filter housing attachment ?

Yes, the oil lines would be ran to the fittings where the oil filter housing would be.

By Andy
Answer Question

Will this fit my 2005 Electra Glide Classic injected with engine guards?

Looks like it should not be a problem to mount this kit on your 2005 FLHTC with engine guards. It will be mounting down low under the regulator which should be plenty far out of the way of any engine bars.

By Andy
Answer Question

What temperature does the fans turn on?

The fans would kick on when the oil temp reaches 210 degress fahrenheit.

By Andy
Answer Question

How easy is the install does this come with directions

Yes, this kit does include installation instructions and they provide installation videos on their website if needed.

By Andy
Answer Question

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