Product Description
Need a 1-Wire Alternator for your 1989-2002 Dodge Ram pickup with the 5.9 Diesel Cummins? This unit has a maximum output of 160+Amps and will produce between 80A to 90A at idle depending on whether the engine is gas or diesel and shaft speeds. This unit will increase the charging capacity at all RPM Ranges with NO modifications. If you are putting the 5.9 Diesel powerplant into a vehicle not wired or equipped for it, this is your answer - no external regulator, no wiring. Just the main power feed wire. This unit has our lifetime warranty
Applications: 1989-2002 Dodge Ram with a 5.9L Cummins
Customer Installation Video HERE
RECENTLY ADDED FEATURE
We have added an optional W-Terminal or TACH pickup wire to this alternator. This option is only available on these “SE” Denso / dodge alternators that eliminate the PCM. When you select this option we will provide a tach lead for connection to a diesel specific aftermarket tach. This is only available at the time of assembly and older units are not physically eligible for retrofit.
The connection is simple, the wire is provided by us but does not need to be used if no tach is intended.
This will not work with factory equipped tachometers or ignition based tachometers, only a stator signal tachometer. (tach shown is not included)
WARNING: California PROP65 Cancer and Reproductive Harm Notice www.P65Warnings.ca.gov
CANADIAN CUSTOMERS: Select UPS Worldwide Expedited, UPS states this is "all-in" to your door with duties and brokerage.
Product Videos
Custom Field
Product Reviews
54 Reviews Hide Reviews Show Reviews
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136A DENSO STYLE ALTERNATOR 5.9 CUMMINS 1-WIRE
Works great, been trying to solve my 1994 12 valve charging problems for about two years now. Dropped this alternator in and finally fixed my issue.
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1 wire alternator
Product worked fantastic just like I thought it would highly recommend it to anybody with a charging system problem with the Dodge
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One wire alternator for First Gen Dodge
This upgrade quickly and definitively solved so many problems we had been having with our truck...bought it over a year a go...still going strong!
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One wire alternator
What a fantastic product came with instructions works perfectly Easy installation can't believe I didn't do this sooner Super consistent charge rate
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So far so good only time will tell
Good product saves you the headache
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Alternator
Fantastic product! Cured my charging issues in my Cummins swapped Chevrolet truck!
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Installation
Installed flawlessly have yet to wire and see how it performs but impressed as of now!
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Great company best customer service
Best alternator for a Dodge with a Cummins when the PCM no longer tells the alternator to charge bought one of these solve the problem if one goes bad all you do is call they take care of it hard to find a company like that anymore nice to know that they stand behind their product if I ever need an alternator for any of my other stuff definitely will be calling them
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Nice product
Installed this alternator on my 1992 W250. Very simple install, charges much better than the factory alternator-at a solid 14.7 volts. Puts out enough power that I can barely tell my grid heaters are running. Headlights seem brighter as well. I feel confident that my charging system is now as reliable as the cummins engine.
