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Mfr Part #: R4130

ISSPRO Turbo Temp Monitor (Diesel)
Part #: R4130   Price $227.72
ISSPRO Turbo Temp Monitor (above) with 10' Hi-temp Lead Wire, R658 adjustable Thermocouple, 1/4"NPT, and R680 Weld Bushing, 1/4"NPT.
Part #: R4130-AT   Price $289.95
ISSPRO R4130 Turbo Temp Monitor (above) with 10' Hi-temp Lead Wire and R650A-HT Inconel tip adjustable Thermocouple, Band Clamp style.
Part #: R4130-CT  Price $299.95

The ISSPRO R4130 Turbo Temp Monitor helps eliminate early turbocharger failure in diesel applications. When engine ignition is turned off, the R4130 idles until a safe exhaust temperature is reached, then automatically shuts down the engine. By shutting down in a cool condition, deposits are reduced and turbo life is increased. Standard shutdown temperature is 300 F. Operating voltage is 12 VDC.  For installation, the existing pyrometer system can be used or order complete kit below. The TTM is Field adjustable: the temperature set point can be adjusted by removing the cover and rotating the trimmer.

Shuts down engine at the correct temperature every time to protect the turbocharger.
No timer to adjust at every shutdown.
Does not waste fuel like turbo timers.
Only 5 connections required for installation
(lamp indicator is optional).
Adjustable shutdown temperature via enclosed trimmer screw.
Easily mounted behind dash (Size: 3 1/2"L x 3"H x 1 3/4"D)
Can be installed with a power switch to make system inoperable if desired
R4130-AT kit includes R658 thermocouple R660-10 10 foot leadwire and R680 Weld bushing (optional)
R4130-CT kit includes R650A-HT clamp style thermocouple (for exh pipes 3" to 4.5") and R660-10 10 foot leadwire
Installation requires just 5 connections
(lamp indicator optional):

1 2 3 4 5 6

1: Ignition Switch: Keeps engine running. (16AWG wire recommended)
2: Batt+: 12VDC  A switch can be inserted in this lead to defeat the TTM.
3: Lamp: an optional indicator lamp can be used to display temperatures above the safe limit when the ignition switch is turned off.
4: GND: Ground
5: T/C-: The thermocouple (-) lead.  Usually red lead wire.
6: T/C+: The thermocouple (+) lead.  Usually yellow lead wire.

Recommended thermocouple location is post turbo (exhaust down-pipe). If your existing pyrometer thermocouple is pre turbo (exhaust manifold or up-pipe) we recommend that you purchase one of the kits (R4130-AT or R4130-CT). If you already have a Pyrometer, we recommend that you give us a call to verify that it will be suitable for use with the TTM. If your down pipe already has a 1/8"NPT threaded bushing installed you can use the R4130-AT kit and change the thread size on the thermocouple by purchasing an adapter fitting, part number R683.

R4130-AT Kit comes with the ISSPRO R4130 TTM,
a 10' Hi-temp Lead Wire, R658 adjustable Thermocouple, 1/4"NPT, and R680 Weld Bushing, 1/4"NPT. This kit is recommended for Dodge Cummins applications. You will drill and tap the exhaust elbow 1/4"NPT. The kit's included weld bushing will not need to be used.
R4130-CT Kit comes with the ISSPRO R4130 TTM, a 10' Hi-temp Lead Wire, R650A-HT Inconel tip adjustable Thermocouple, Band Clamp style. This Kit is recommended for Ford Powerstroke and GM Duramax applications You will drill a 1/4" hole in the downpipe and insert the thermocouple there secured with the included band clamp.

The ISSPRO TTM will not work with the BD XMonitor. 

ISSPRO TTM vs. Turbo Timers - The ISSPRO Turbo Temp Monitor is not a turbo timer.  When activated, turbo timers will keep an engine running at a predetermined rate of time, usually an incorrect amount of time.  Most Turbo Timers allow for the user to adjust the amount of time that they run, but most drivers don't know how long that time should be even if there is a Pyrometer gauge in the truck.  Usually turbo timers allow for shut down times in 1 minute increments.  This means 0, 1, 2, 3 minutes and so on.  This does not allow for the flexibility required for most shutdown situations (less than 1 minute).  Example 1: By the time you pull into a parking lot at the local grocery store, the temperature at the turbocharger may be as low as 325F.  When the ignition is shut off, the ISSPRO TTM will keep the engine running the correct amount of time before shutting down.  In this case it's merely seconds.  Sometimes the turbo may be cool enough that the TTM will not even activate at all. With a turbo timer, more than likely the engine will be kept running too long, wasting fuel.  Even with turbo timers that allow for finite (second) adjustments, how is the driver to know what's the correct amount of time?  Example 2:  Lets say the ambient temperature is 90 outside.  You're towing a heavy trailer up a moderate grade on the highway for a duration of a few minutes.  At the top of the hill you decide you need to pull into a rest area.  How long should you set a turbo timer to run for?  Good question.  The time could be up to several minutes.  With the ISSPRO TTM you don't need to worry.  It will shut the engine down at the right temperature every time.

The ISSPRO TTM does not operate like a self-powered thermocouple gauge.  The TTM has its own separate power source.  Self powered pyrometer gauges make their energy when the thermocouple heats up.  Examples are: Banks, Westach, Western Diesel, and old series DiPricol pyrometers.  These gauges can sometimes be inaccurate, as under hood temperatures can effect the reading at the gauge.  The ISSPRO TTM operates just like the ISSPRO Enhanced Visibility series of gauges.  They are accurate and under hood temperatures are not a concern.

R4130 Turbo Temp Monitor Installation Instructions

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