Keeping the Fleet and Transit Industries Moving

We partner with fleet and transit maintenance teams by innovating solutions, providing personal service, and supplying the OEM and Approved Equal parts they need to safely and reliably keep our world moving.

Brands We Carry

OEM and Approved Equal Parts

KIRKS Approved Equal™ removes the risk of purchasing repaired or non-OEM level parts. KIRKS delivers remanufactured and specially engineered parts that maintenance professionals rely on to keep their fleets running.

Competitive pricing and quality you can rely on. Not sure what you need? Call KIRKS!

Serving Fleet Maintenance Professionals

Fleet maintenance teams feel stuck with few options for parts. The Choice? Either inferior aftermarket parts, unreliable repairs, or going back to the bus manufacturer for overpriced replacements.

KIRKS helps you escape the parts trap. We source new OEM and Approved Equal™ parts with significant cost-savings.

Connect with our parts specialists and access our national distribution networks of recognized brands.

KIRKS Approved Equal Certified Quality Seal

Industry Leaders That Trust Kirks

Fleet of Delivery Vans Ready for Service at Dusk.
Logistic center cargo trucks transportation shipping lorry delivery freight road. African man driver driving truck car ready travel. Carrier warehouse storage vehicle load shipment delivery transport
Commercial fleet includes rows of parked semi trucks and delivery vans
Ford
gm logo
ge logo
road commission for oakland county logo
national express logo
city of warren logo
mdot logo
toyota logo
conagra foods logo
new york city transit logo
septa logo
detroit department of transportation logo
dart logo
pace logo
minneapolis metro transit logo
san francisco municipal transportation logo
ride smart logo
utah transit authority
greater cleveland regional transit authority

Services

Parts and People Make It Possible

Skilled technicians at KIRKS take pride in their work and share a commitment to do it right—or better— the first time.

KIRKS HIPRO proprietary manufactured parts and KIRKS REMAN remanufactured parts meet or exceed OEM specifications and receive our Approved Equal™ Seal of Certified Quality.

The KIRKS Warranty is your confidence.

Advancing With Change

Relationships Built on Trust

In 1946 KIRKS was founded to solve the parts problems maintenance professionals faced. Continuing that legacy, family-owned and operated, every generation of KIRKS engineering and service professionals embrace new technologies to develop solutions. Building relationships for enduring trust, KIRKS people are driven to get it right.

KIRKS Bus and Shuttle Parts

Check out our newest products

Featured Products

Blue cylindrical device with connectors and labels, designed for electrical applications, featuring "KIRK'S" branding.
KIRKS Transit Fleet Equipment logo, established in 1946, highlighting industry expertise and service.

KA Series Transit Alternators

Drop-in replacements for EMP Power 450 and 535 alternators as well as the Delco Remy 50DN and 50DN+ alternators.

High-performance automotive alternator showcasing metal components and electrical connectors for efficient power generation.
C.E. Niehoff & Co. logo

C.E. Niehoff Alternators

C.E. Niehoff is a leading manufacturer of Transit, Off Highway, and Fire & Emergency Charging and Power Management Solutions.

31MT
Delco Remy logo featuring bold lettering and a red accent, representing automotive electrical components.

Delco Remy Starters and Alternators

Delco Remy high-output alternators offer improved efficiency ratings that lead to measurable fuel savings for fleets.

Round grey plastic container with a smooth surface and a sealed opening, suitable for various storage needs.
Logo of Road Warrior, featuring bold black and red lettering with a graphic element.

Roadwarrior Diesel Oxidation Catalysts

Roadwarrior Inc. specializes in the production of a wide range of emission control solutions designed for medium to heavy-duty trucks and buses manufactured after 2007.

C0002 SA 1
Logo of Road Warrior, featuring bold black and red lettering with a graphic element.

Roadwarrior Diesel Particulate Filters

Roadwarrior Inc. specializes in the production of a wide range of emission control solutions designed for medium to heavy-duty trucks and buses manufactured after 2007.

BOSCH Dosing Module
Bosch logo featuring the trademark symbol and bold red text against a black background.

BOSCH Dosing Modules

The Bosch dosing module serves to deliver the AdBlue® urea-water solution in a compressed form into the exhaust system.

BOSCH Supply Modules
Bosch logo featuring the trademark symbol and bold red text against a black background.

BOSCH Supply Modules

Powered by advanced diaphragm pump mechanics, BOSCH’s supply modules are specifically designed to deliver the correct amount of AdBlue® into the catalytic chamber.

Celect disc brake pads with packaging, designed for high-performance vehicle braking systems.
Celect logo featuring an orange circle and stylized text, representing advanced retail analytics solutions.

CELECT Brake Pads

KIRKS delivers complete braking solutions for every industry: automotive, heavy-duty truck, industrial equipment, and transit.

Close-up of a metallic brake rotor with a textured surface and mounting holes for easy installation.
Celect logo featuring an orange circle and stylized text, representing advanced retail analytics solutions.

CELECT Brake Rotors

KIRKS delivers complete braking solutions for every industry: automotive, heavy-duty truck, industrial equipment, and transit.

rotron transportation 64 frame sealless pump
Ametek logo featuring bold black text with a red triangular accent, representing a leading global manufacturer.

AMETEK ROTRON® Pumps

AMETEK ROTRON® provides an extensive range of sealless pumps and brushless DC motors tailored for robust transportation applications, including heavy-duty vehicles and commercial transport.

E3.261 spark plug kit with spark plug and rubber boot, featuring no gapping required for easy installation.
Green logo featuring the words "Sustainability" in a modern font, symbolizing eco-friendly practices and initiatives.

E3 Spark Plugs

E3 Spark Plugs recognized the necessity for a groundbreaking approach to electrode design, aiming to enhance the ignition of raw fuel within the engine’s combustion chamber.

KIRKS EGR Cooler 6700103
Bullet Proof Diesel .com logo

Bullet Proof Diesel EGR Coolers

KIRKS Approved Equal™ EGR Coolers deliver reliable performance, meeting or exceeding OEM specs.

KIRKS ToolBox Webinars

KIRKS ToolBox Webinars serve as an invaluable resource for industry professionals seeking to stay abreast of the latest developments. Our commitment to excellence shines through in these webinars, reinforcing our position as a leader in not only providing top-notch automotive parts but also equipping professionals with the knowledge and skills needed to excel in their field.

Recent News

Stay informed with the newest developments in the industry. From regulatory changes to technological advancements, our blog covers the key topics that matter to your business.

new vans

-DO NOT DELETE-

Trusted by Fleet & Transit Industry Professionals

Browse our complete inventory to find the exact part you’re looking for. We have a variety of products in stock and ready for you.