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PARTS

PARTS
Our line of diesel performance parts are made in the USA of the highest quality materials available.
We focus on quality because simply, it improves reliability.

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The ADJUSTER by Attitude, In-cab Fuel Controller (formerly Attitude Adjuster)

The ADJUSTER by Attitude, In-cab Fuel Controller (formerly Attitude Adjuster)

Got a 12-valve?  Got an engine with a P-7100 Pump?  You need The ADJUSTER  From optimum economy to max power on the fly from inside the cab!  The ADJUSTER by Attitude (pat pend) (formerly Attitude Adjuster) gives you full..

$469.00

CP3 Access Cover for '03 to Current Dodge 5.9L & 6.7L Cummins Diesel Engines

CP3 Access Cover for '03 to Current Dodge 5.9L & 6.7L Cummins Diesel Engines

This cover provides access to the pump nut.  Now you can forget about the plastic stock covers that can crack, break or have stripped threads.  OR you might just want to look good!  Made in the USA of Military-grade Billet 6061 Aluminum.Has 17mm..

$59.99

5.9L Fuel Rail Plug for '03 to '07 Cummins Dodge Diesel Engines

5.9L Fuel Rail Plug for '03 to '07 Cummins Dodge Diesel Engines

CHEAP INSURANCE!Don’t jeopardize horsepower or torque…..maintain your important fuel rail pressure when running a high performance or modified engine!APP’s 5.9L Fuel Rail Plug for Cummins Diesel Engine (aka Race Plug), replaces the stock pressure relief valve ..

$38.99

LB7 Fuel Rail Plug for '01 to '04 Duramax LB7 Diesel Engines

LB7 Fuel Rail Plug for '01 to '04 Duramax LB7 Diesel Engines

Secure your odds…..Don’t take chances… a leaky fuel rail pressure relief valve will ruin your day.This Fuel Rail Plug (sometimes referred to as race plug) for the Duramax Diesel Engine helps maintain fuel rail pressure during heavy engine load conditions. &nb..

$48.99

6.6L / 6.7L Fuel Rail Plug for Cummins  ’07 to Current, and Duramax ’04 to Current (fits both)

6.6L / 6.7L Fuel Rail Plug for Cummins ’07 to Current, and Duramax ’04 to Current (fits both)

CHEAP INSURANCE!APP’s 6.6L / 6.7L Fuel Rail Plug (sometimes referred to as race plug) replaces the stock pressure relief valve. Why is that so important?  It maintains fuel rail pressure under heavy engine load conditions—eliminating changes/decrease of ..

$32.99

Billet Delivery Valve Holder for Bosch P7100 pump and '94 -'98 Dodge Cummins Diesel Engines

Billet Delivery Valve Holder for Bosch P7100 pump and '94 -'98 Dodge Cummins Diesel Engines

Who DOESN’T want more fuel flow?  It’s all about Diesel Performance.APP’s Billet Delivery Valve Holders create more fuel flow for the Bosch P7100 injection pump.  The APP #1006 Holders have no internal spring like the factory holders thus allowing fl..

$49.99

Billet Rack Cap for P7100 injection pump and '94 to '98 Dodge Cummins Diesel Engines

Billet Rack Cap for P7100 injection pump and '94 to '98 Dodge Cummins Diesel Engines

The CHEAPEST HORSEPOWER you can buy!APP's Billet Rack Cap (also sometimes called the rack plug), made of the highest quality Billet Aluminum, allows full rack travel of the Bosch P7100 injection pump.  The Attitude Rack Cap is drilled to 17mm, which is 4m..

$32.99

6.0L EGR Delete 3-Piece Kit for '03 to '07 Ford Powerstroke Diesel Engines

6.0L EGR Delete 3-Piece Kit for '03 to '07 Ford Powerstroke Diesel Engines

APP's EGR Delete Kit is designed to completely eliminate the exhaust gas for increased HP and MPG. The factory EGR system is prone to many issues such as stuck EGR valves, contaminated oil coolers, leaking EGR coolers, pressurization of the cooling system..

$149.99

Freeze Plug, SIDE—bolt on, with O-Ring for 3.9L, 5.9L, 6.7L Cummins Diesel Engines '89 to Current

Freeze Plug, SIDE—bolt on, with O-Ring for 3.9L, 5.9L, 6.7L Cummins Diesel Engines '89 to Current

DON’T EVER LEAK AGAIN!APP’s Side Freeze Plug—bolt on with O ring will eliminate blown freeze plugs on Cummins engines due to high rpm and increased coolant pressures in modified engines.  They are also a great way to dress up your diesel engine as the eng..

$42.99

Freeze Plug, REAR—bolt on, with O-Ring for '88 to '02 Cummins Diesel Engines

Freeze Plug, REAR—bolt on, with O-Ring for '88 to '02 Cummins Diesel Engines

MODIFYING YOUR ENGINE?NOW is the time to replace those press-fit freeze factory plugs!APP’s Rear BOLT-ON Freeze Plug will eliminate blown or leaking freeze plugs due to high rpm and increased coolant pressure in modified engines.  Please note: if the fa..

$48.99

Freeze Plug, REAR—bolt on, with O-Ring for '03 to Current Cummins Diesel Engines

Freeze Plug, REAR—bolt on, with O-Ring for '03 to Current Cummins Diesel Engines

MODIFYING YOUR CUMMINS?APP’s Rear BOLT-ON Freeze Plug with O-ring will eliminate a blown or leaking freeze plug due to high rpm and increased internal coolant pressure in modified engines.  It is also tapped with a 3/4 NPT for use of a coolant bypass. &n..

$49.99

Piston Oil Squirters (4 Pack) for '88 to early '03 5.9L Cummins Diesel Engines

Piston Oil Squirters (4 Pack) for '88 to early '03 5.9L Cummins Diesel Engines

Did you know the oil squirters in Cummins ‘88-’02 and early ’03 are made of plastic?   Why risk having plastic oil squirters in your modified Diesel Engine that are prone to fail due to the higher engine heat. (There have also been many reports of the o..

$38.99

Piston Oil Squirters (6 Pack) for '88 to early '03 5.9L Cummins Diesel Engines

Piston Oil Squirters (6 Pack) for '88 to early '03 5.9L Cummins Diesel Engines

Did you know the oil squirters in Cummins ‘88-’02 and early ’03 are made of plastic?   Why risk having plastic oil squirters in your modified Diesel Engine that are prone to fail due to the higher engine heat. (There have also been many reports of the ori..

$57.99

Saddle Jet Plugs (4 pack) for 5.9L & 6.7L Cummins Diesel Engines '03 to '13

Saddle Jet Plugs (4 pack) for 5.9L & 6.7L Cummins Diesel Engines '03 to '13

It’s the little things that will bite you -- Please don’t break down just because you don’t have these!APP’s Saddle Jet Plug replacements will last because they are made from 7075 Aluminum.  Your ’03 to ’13 Common Rail Cummins engine came from the factory..

$29.99

Saddle Jet Plugs (6 pack) for 5.9L & 6.7L Cummins Diesel Engines '03 to '13

Saddle Jet Plugs (6 pack) for 5.9L & 6.7L Cummins Diesel Engines '03 to '13

It’s the little things that will bite you -- Please don’t break down just because you don’t have these!APP’s Saddle Jet Plug replacements will last because they are made from 7075 Aluminum.  Your ’03 to ’13 Common Rail Cummins engine came from the factory..

$44.99

The ADJUSTER by Attitude Optional Fuel Profile #5

The ADJUSTER by Attitude Optional Fuel Profile #5

Recommended for The ADJUSTER by Attitude (pat pend), formerly Attitude Adjuster, on 13mm Bosch P7100 pumps and all heavily modified trucks. Optional fuel profiles create a fuel curve based on RPM.  Attitude Performance Products offers 4 profiles of differ..

$24.99

The ADJUSTER by Attitude Optional Fuel Profile #6

The ADJUSTER by Attitude Optional Fuel Profile #6

Recommended for The ADJUSTER by Attitude (pat pend), formerly Attitude Adjuster, on most modified street trucks with Bosch P7100 pumps.  Optional fuel profiles create a fuel curve based on RPM.  Attitude Performance Products offers 4 profiles of diff..

$24.99

The ADJUSTER by Attitude Optional Fuel Profile #8

The ADJUSTER by Attitude Optional Fuel Profile #8

Recommended for The ADJUSTER by Attitude (pat pend), formerly Attitude Adjuster, for the P7100 pump for towing trailers or light work trucks.  Optional fuel profiles create a fuel curve based on RPM.  Attitude Performance Products offers 4 profiles o..

$24.99

The ADJUSTER by Attitude Optional Fuel Profile #10

The ADJUSTER by Attitude Optional Fuel Profile #10

Recommended for The ADJUSTER by Attitude (pat pend), formerly Attitude Adjuster, on 913 Bosch P7100 pumps and all pumps with notched-style plungers.  Optional fuel profiles create a fuel curve based on RPM.  Attitude Performance Products offers 4 pro..

$24.99

The ADJUSTER by Attitude - Cable

The ADJUSTER by Attitude - Cable

Replacement Cable for The ADJUSTER (pat pend) by Attitude Performance Products..

$22.99

The ADJUSTER by Attitude - Extra Length 6 Ft Cable

The ADJUSTER by Attitude - Extra Length 6 Ft Cable

Extra Length 6 Foot Cable for The ADJUSTER (pat pend) by Attitude Performance Products..

$80.00

ATTITUDE Performance wear T-Shirt

ATTITUDE Performance wear T-Shirt

ATTITUDE Performance wear T-Shirt. ATTITUDE with tire tracks on front and logo, and "Diesels are about Attitude" with tire tracks on back.Available sizes:   Medium, Large, Extra Large, 2X, 3XDri-Power Quality…50% cotton, 50% Poly. Pre-shrunk ..

$17.99

ATTITUDE Performance Hat

ATTITUDE Performance Hat

ATTITUDE Performance Products Flexfit hat with large logo embroidery on front/side and red logo lined on back center.Available Sizes: Small/Medium or Large/XL..

$19.99

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