ENGINE BLOCK HEATER CABLE ('89-'23, 6.7L & 5.9L)

  • About This Product
  • Reviews
  • Install And Tech Information


Don't be left out in the cold! Make sure your '89-'23 Dodge Cummins Turbo Diesel engine has a block heater cable so you can warm the engine for easy starting in cold weather.

The Cummins engine has the block heater installed, but many times the dealers did not order the engine block heater cable with the '03-'23 trucks.

The heater cable plugs into the block heater which is underneath the exhaust manifold and next to the oil filter. There may be a black cover on it that will need to be removed to get access to the block heater. Easiest access to the block heater is from underneath the truck.

This is a direct replacement part for the '89-'23 trucks. Heater cable is 6 feet long.


Write a review
It's they cord you need
Oct 27, 2015  |  By Scotty T
Just as advertised, this is the cord you need for your Cummins block heater. My truck was equipped with the block heater but no cord for it, rather than spending $45+ at the stealership I got this one from Geno's at less than half the price shipped to my door. Super fast shipping, came in 2 days and will be keeping my truck warm this winter for all those early 4am work days. Install took all of 6 minutes with a simple adjustable wrench. Can't go wrong with this purchase!

Good product
Oct 13, 2016  |  By DALE A BENNETT
Like it so far haven't had to use it yet. Install pretty easy and straight forward and routing cable is a breeze as well.

Excellent Product
Nov 4, 2016  |  By Tyler Givens
I needed to replace my damaged cord on my 02 before winter rolls in. This product fit perfectly and was relatively easy to install. I was able to remove the old one and install this one without removing any of my intake. A necessary product for any Cummins truck! Geno's was quick with the shipping and easy to work with as usual!

block heater cord
Nov 10, 2016  |  By tim fritch
the cord fit great just like it should, good quality to.

Block Heater cord
Nov 13, 2016  |  By Rick P
Fast shipping and 6.7 liter Cummins block heater cord exactly as described. Took about 30 min to install with detailed instructions. Save about 50% over dealer.

Block heater cord
Nov 25, 2016  |  By Alex Dockery
Fit right and works great definitely purchase more item in the future

Awesome product
Dec 4, 2016  |  By Alex Bethurum
Easy to install and the perfect length to reach my left tow hook. Tucks nicely into the bumper for hiding. If you are thinking about a heater cord. This is the one.

First Time
Dec 8, 2016  |  By Leslie Long
Courteous,Efficient, Prompt,Reasonable.

Block heater
Dec 12, 2016  |  By Jason
Works perfect!!

Engine Block Heater
Dec 19, 2016  |  By Steve Sulosky
Purchased and installed the engine block heater myself. Had a little difficulty determining if the cord was making full contact with the male end of the heating element, as it was hard to screw the amphenol nut on. Otherwise, great product and easy to install - took 1 hour max.

Block Heater Plug
Dec 27, 2016  |  By Robert Hill
It's hard to find a truck in California with the winter prep group. This block heater cable makes it easy to ensure my Cummins is already warm before I start her up in the cold mornings. I will especially love it when I move to the east coast in a few months. Easy to install and very nice to have.

Great Service
Dec 29, 2016  |  By chris
Product as described!!!

Cummins Block Heater Cord
Dec 31, 2016  |  By Rustuck
Works Great-Easy Installation-Fast Shipping-Will Purchase From Geno's Again!

Cummins Block Heater
Dec 31, 2016  |  By Scott Hammer
Purchased for my '16 Cummins dually, fit perfectly. My one suggestion, don't waste your time trying to install without removing intake duct from turbo to airbox! It takes less time to remove the duct than to realize you are not as flexible as you need to be.

Dec 31, 2016  |  By tim mcmillan
Part fits as it should and works as it should. Buy the plug protector as so as it is hard to find local.

Block heater cord
Jan 1, 2017  |  By Scott Bechthold
Great price

Cummins Block heater
Jan 2, 2017  |  By jared grant
Easy install and works great! Socket size is 1-1/8

Heater Cord
Jan 3, 2017  |  By Robert Fenn
Received it quickly... right part and it works fine!

Great buy
Jan 4, 2017  |  By Chris Varese
Installed in 10 minutes and you can not beat the price. Excellent buy!

Block heater cord
Jan 4, 2017  |  By Matthew Nurrenbern
Ordered a block heater cord from GG athe a fraction of the cost from dealer! Package arrived surprisingly FAST! Awesome service! More business will be in the future!

Perfect fit
Jan 6, 2017  |  By Jason
Perfect fit. Minutes to install.

Jan 6, 2017  |  By Brandon williams
Was exactly what I wanted. Thank you

Block Heater Cord
Jan 7, 2017  |  By B.C. Cowden
Exactly what I wanted. Arrived quickly and at a great price.

Engine block heater cord
Jan 8, 2017  |  By Tony McGovern
Great product. Install was a snap, works flawlessly. Only improvement would be to incorporate a cap for the plug to maintain cleanliness of the prongs.

Jan 12, 2017  |  By duane shaw
works great. would rate 5 star if not so difficult to install

Block heater cord
Jan 12, 2017  |  By Terry Warner
Cord fit perfectly, makes a huge difference in cold weather. Easy install.

6.7 Cummins block heater cord
Jan 19, 2017  |  By Mark
Super fast shipping!!

Best deal ever
Jan 19, 2017  |  By Willie
Ok needed a cord for my new CTD cold weather coming....dealership said $68 so I got priority shipping and still half the costs of dealership and same cord!!!!

As Advertised
Jan 24, 2017  |  By Jay
I installed this block heater cable on my 2005 Dodge Ram 2500 with the 5.9L. I was able to install it quickly and easily after simply removing the air intake tube. Then I routed the cable to the front of the vehicle with black zip ties. I've had it on for about 2-3 weeks and it's worked just fine. I plug the truck into a timer that kicks on about 6 hours before I leave in the morning. Thanks Geno's Garage.

Great Service
Jan 26, 2017  |  By Smith Auto Repair
Prompt delivery, great product

Cummins engine block heater cord
Jan 27, 2017  |  By Donald Hilton
heavy duty cord, with a great price. Helpful install sheet

Great buy
Jan 31, 2017  |  By Paul zeps
Completely happy with performance and price. Glow plugs don't even kick in with Temps in the teens

Best Everything
Jan 31, 2017  |  By Robert Laux
Best fit, price and shipping. My new goto site for my truck parts.

block heater
Feb 4, 2017  |  By frank sensenig
easy to install, works great

Good price, easy installation
Feb 12, 2017  |  By Matthew
Purchased this for the inevitable trips to visit family in Up-State NY and and New England during the winter months. Easy install (wait until oil change), utilized rare earth (Nd) magnets found in big box stores to ensure solid placement on the inner-well of the fender. 1 magnet was "jb-welded" inside the fender and the others were taped to the cord/head. The JB-Weld magnet was for a constant position, but not necessary.

Worked Great!
Feb 15, 2017  |  By Pete
As stated, great product!

Cummins Block Heater Cord
Feb 17, 2017  |  By Scott Lee
Product arrived quickly, fit perfectly at one third of dealer cost. Very pleased with service from Geno's.

Engine block heater cord
Apr 8, 2017  |  By Mel Greer Jr
Outstanding customer service. Engine block heater cord installed very easily and works great. Would buy it again from Geno's garage in a heart beat.

Block heater cord
Jun 21, 2017  |  By Thomas Brawley
have not used it yet. pluged right in to heater

Sep 30, 2017  |  By Lee
Product came very very fast. Product only took me 10 minutes to install. If you need it, get it here! Best price anywhere!

Block heater cord
Oct 26, 2017  |  By Steve Dickinson
Great fit looks oem.

Block Heater Cable / plug
Nov 15, 2017  |  By Richard Osmon
there are 2 different one's I purchased the one with a locking collar. went on in about 20 minutes. Came to me exactly like the picture. I received confirmation on shipping , I couldn't ask for a better company to purchase from . They're very responsive and knowledgeable.

Nov 20, 2017  |  By Don S
Ordered a heater cable for my 2017 Ram diesel. Came early and was a perfect fit. Price was good and video was excellent Thanks

Nice part
Dec 5, 2017  |  By Paul
Very nice and affordable alternative to buying oem. And you always know you'll have zero problems with your order from genos

Heater cord
Dec 12, 2017  |  By Keith A Smith
Works great. Great solution to cold weather starts.

Block Heater Cable
Jan 2, 2018  |  By Barry Dodson
Great product! Come with easy to understand installation instructions and works great! Just in time for this extremely cold weather in the south! Great service!

Exactly what I needed!
Jan 3, 2018  |  By Dustin Cheatham
Truck was originally built for the south, so it didn't come with a cable. Knowing I was going to be hitting some frigid temperatures I picked up this cable at a fraction of the price the local dealer was charging. Works great and was shipped fast, got to me in enough time for me to install before the cold weather rolled in.

Excellent Service
Jan 4, 2018  |  By Peter
Geno's provides an invaluable resource for anyone with a RAM diesel. The catalog is full of useful items. Ordered parts are delivered quickly and accurately. I am sold on Geno's! Keep up the great work.

Block heater cord
Jan 7, 2018  |  By Wesley Scott
As always genos provides great products at a great price. Good people to work with. And no BS !! Thanks

5.9 Heater Block Plug
Jan 11, 2018  |  By Aaron Tyger
Easy to install and makes cold starts so much nicer!

Easy install
Apr 17, 2021  |  By Gerald
Went on great, bought the cap to protect the plug, unfortunately shortly after install the complex removed the outdoor 120v outlet.

Install and Tech Information

Download the Block Heater Cord Install Instructions.pdf