
4BT Cummins Contagious 5x.012 SAC Injectors
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- Part Number: CD 5x.012 4BT
- Est. Ship Time: Product Unavailable

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Set of 4 Contagious Diesel 5x.012 injectors with SAC nozzles for the 3.9L 4BT VE Pump Cummins Turbo Diesel equipped with the VE Rotary Injection Pump or P7100 Inline Injection pump.
These will give you an appromixate 60HP gain if your pump is tuned correctly.
These injectors have a 7mm nozzle, we cannot build them with a 9mm nozzle. If you have a 9mm nozzle currently you will need to buy adapter bushings.
These injectors are set up as a matched set, for the stock style piston bowl. They will also work with the LARGE bowl pistons as well.
Includes dust seals, copper sealing washers, and a return line washer kit.
All Bosch bodies and nozzles. No aftermarket bodies and nozzles like some other brands.
ALL CONTAGIOUS DIESEL INJECTORS WILL SHIP VIA USPS 1-2 WEEK AFTER ORDERING.
All Contagious Diesel SAC injectors are built using new bodies and do not require a core charge.

Set of 6 Contagious Diesel 5x.010 injectors with micro blind SAC nozzles for the 1994-1998 Dodge 5.9L 12 Valve Cummins Turbo Diesel equipped with the ..
$0.00
Set of 6 Contagious Diesel 5x.012 injectors with micro blind SAC nozzles for the 1994-1998 Dodge 5.9L 12 Valve Cummins Turbo Diesel-equipped with the ..
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Set of 6 Contagious Diesel 5x.016 injectors with micro blind SAC nozzles for the 1994-1998 Dodge 5.9L 12 Valve Cummins Turbo Diesel equipped with the ..
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Set of 6 Contagious Diesel 5x.018 injectors with SAC nozzles for the 1994-1998 Dodge 5.9L 12 Valve Cummins Turbo Diesel equipped with the P7100 inject..
$0.00
Set of 6 Contagious Diesel 5x.020 injectors with micro blind SAC nozzles for the 1994-1998 Dodge 5.9L 12 Valve Cummins Turbo Diesel equipped with the ..
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Set of 6 Contagious Diesel 5x.022 injectors with micro blind SAC nozzles for the 1994-1998 Dodge 5.9L 12 Valve Cummins Turbo Diesel equipped with the ..
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Set of 6 Contagious Diesel 5x.012 injectors with micro blind SAC nozzles for the 1989-1993 Dodge 5.9L 12 Valve Cummins Turbo Diesel equipped with the ..
$0.00
Set of 6 Contagious Diesel 5x.014 injectors with micro blind SAC nozzles for the 1989-1993 Dodge 5.9L 12 Valve Cummins Turbo Diesel equipped with the ..
$0.00
Set of 6 Contagious Diesel 5x.016 injectors with micro blind SAC nozzles for the 1989-1993 Dodge 5.9L 12 Valve Cummins Turbo Diesel equipped with the ..
$0.00
This 3200 rpm spring fits all VE Rotary Injection pumps on Cummins 3.9L 4BT from 1989 to 1993. The spring will allow the injection pump to fuel all th..
$19.31
Fits 89-93 Dodge 5.9L Cummins Diesel Trucks
This fuel filter stud is used to delete fuel heater on 1st gen Cummins (89-93)
Part number: J925954
..
$15.99
This upper gasket kit should fit any 3.9L 4BT Cummins equipped with the rotary injection pump. Please enter your ESN above so we can ensure proper fit..
$354.92
14" Pure Diesel Power.com Vinyl Sticker
Available in colors:
Blue
Red
Green
Black
White
Buy 1 at regular price, buy 2 or more and get disco..
$4.75 $5.25
Cummins 4BT with VE Pump New Injector Set: Approximately 50-70 HP improvement over stock on most applications. Good smoke control, recommend use with ..
$446.50
3.9L Cummins 4BT FUEL PIN
The Dynomite Diesel Fuel Pin gives your 89-93 3.9L Cummins 4BT 15-30 more horsepower. The Power Pin fits all 3.9L 4BT Cumm..
$90.25
8x 60LB Valve Springs for Cummins 3.9L 4BT..
$1,103.04
14MM BANJO SEAL WASHERS
PN BS14MM
Banjo seals are known by many different names and we've tested them all! The most common names are..
$9.12
12MM BANJO SEAL WASHERS
PN BS12MM
Banjo seals are known by many different names and we've tested them all! The most common names are..
$9.12
62001010007 Backordered until the Beginning of July (Updated 5/7/25)
Timing tool kit for a Dodge Cummins with the inline P7100 fuel pump, otherwise..
$199.00
Studs made of proprietary ARP 2000 material in Santa Paula, CA
Rated at 220,000 psi tensile strength
Ample clamping force prevents cylinder heads ..
$371.52
These should be replaced when you replace/upgrade your delivery valves.
Bosch Part number: 2410210033..
$20.97
Some P7100 injection pumps from mid-size trucks have larger bolt holes than what is used for the throttle linkage on a pickup.
These bushings reduc..
$24.03
This plug will increase your rack travel for more fueling on your P7100 pump.
AFC modifications are required to get the most out of this plug.
T..
$14.95
Cummins Adjustable Overflow Valve for the Bosch P7100 Injection Pump
By Tork Tek
ALL THE PROBLEMS WITH THE BOSCH OVERFLOW VALVE HAVE BEEN S..
$54.49
Sick of snapping off the cheap plastic OE oil squirters?
Try these heavy duty BILLET oil squirters from Contagious diesel.
Guaranteed to a..
$50.00
Billet P7100 Pump Lock Pin. WAY cheaper than the junk plastic piece from Bosch!
Contagious Diesel Performance part Number: CON9498PTLP..
$30.00
Did you break off the stock "nipple" on your stock plastic timing pin?
Time to fish that chunk of plastic out of the back of the cam gear a..
$35.00
Sick of snapping off the cheap plastic OE oil squirters? Try these heavy duty BILLET oil squirters from Contagious diesel.
Guaranteed to add AT LEAST..
$33.50
Set of 4 Contagious Diesel 5x.011 injectors with SAC nozzles for the 4BT Dodge 3.9L 8 Valve Cummins Turbo Diesel. Small bowl only, these will not work..
$0.00
Set of 4 Contagious Diesel 5x.014 injectors with SAC nozzles for the 3.9L 4BT VE Pump Cummins Turbo Diesel equipped with the VE Rotary Injection Pump ..
$0.00
Set of 6 Contagious Diesel 5x.011 injectors with micro blind SAC nozzles for the 1989-1993 Dodge 5.9L 12 Valve Cummins Turbo Diesel equipped with the ..
$0.00
Set of 6 Contagious Diesel 5x.012 injectors with micro blind SAC nozzles for the 1989-1993 Dodge 5.9L 12 Valve Cummins Turbo Diesel equipped with the ..
$0.00
Set of 6 Contagious Diesel 5x.014 injectors with micro blind SAC nozzles for the 1989-1993 Dodge 5.9L 12 Valve Cummins Turbo Diesel equipped with the ..
$0.00
Set of 6 Contagious Diesel 5x.016 injectors with micro blind SAC nozzles for the 1989-1993 Dodge 5.9L 12 Valve Cummins Turbo Diesel equipped with the ..
$0.00
145 lb 12v single spring
Drop in
10° Locks/Retainers with correct Cummins style bead lock
145 lb seat pressure
Will work with most..
$0.00
180 lb 12v Dual Valve Springs with retainers & keepers
Billet 10° retainers, and correct style Cummins locks
180 lb seat pressure
Requi..
$0.00
Set of 6 Contagious Diesel 5x.010 injectors with micro blind SAC nozzles for the 1994-1998 Dodge 5.9L 12 Valve Cummins Turbo Diesel equipped with the ..
$0.00
Set of 6 Contagious Diesel 5x.011 injectors with micro blind SAC nozzles for the 1994-1998 Dodge 5.9L 12 Valve Cummins Turbo Diesel equipped with the ..
$0.00
Set of 6 Contagious Diesel 5x.012 injectors with micro blind SAC nozzles for the 1994-1998 Dodge 5.9L 12 Valve Cummins Turbo Diesel-equipped with the ..
$0.00
Dodge Cummins 4BT 3.9L diesel 4-cylinder, ARP2000 Main stud kitMain stud kits help eliminate cap walk and protect the threads in your engine block. St..
$217.98
Fits: 3.9L 4BT CumminsGator Fasteners Heavy Duty Main Studs are design to hold the bottom end of your Cummins 3.9L 4BT together whether you're buildin..
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One piece billet valve cover fits 4BT Cummins 8 valve. Designed for aftermarket injection lines run either over top or around front and back of cover...
$479.95
One piece billet valve cover fits 4BT Cummins 8 valve. Notched to fit over stock injection lines. We also have non-notched valve covers for engines wi..
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Fits Cummins 4BT 4 Cylinder engine, includes o-ring to seal against block and stainless hardware. This cover doesn’t have a breather port so it is use..
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Power Driven Diesel 4BT Cummins 055 Delivery Valves are the perfect upgrade for those who tow! These will increase fuel flow to 35 cc. Boost power wit..
$140.00
The Power Driven Diesel 4BT Cummins 7 mm Delivery Valves are hot street or race delivery valves. They provide 90 cc over stock and will add power to y..
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If you're looking to add some power and more fuel to your 4BT then this injector set from Power Driven Diesel is a perfect fit!
Power Driven Diesel..
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Power Driven Diesel PowerJet 4BT P-Pump Injectors are built, tested, and calibrated to exacting standards at our shop in Utah, ensuring high quality a..
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The new manufactured aftermarket Power Driven Diesel Stage 1 CNC-Ported 8v Cylinder Head for 4BT 3.9L has reinforced ribs throughout, strengthened wal..
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Power Driven Diesel offers this set of 8 high-performance drop-in valve springs for the 8v Cummins cylinder head. These lightweight valve spring assem..
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If you're looking to add some power and more fuel to your 4BT then this injector set from Power Driven Diesel is a perfect fit!
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If you're looking for upper engine gaskets for your 4BT .010 Over Interstate Mcbee has what you're looking for!
Part Number
..
$786.59
Fits: 1989-1998 3.9L 4BT Cummins
Tis Clevite P-Series Main Bearing Set (Standard) is a high-quality engine bearing set for your 1989-1998 3.9L 4BT ..
$61.11
Fits: 1989-1998 3.9L 4BT CumminsSwitch out the damage or worn out gasket in your 3.9L Diesel 4BT with the Cometic Valve Cover Gasket Set. With a ..
$23.37