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Common rail injector on a test bench
Diesel is all we do. Since 1992.

Diesel injection.

And everything it takes.

Diesel injectors, pumps, common rail rebuild parts and test bench supplies for rebuilders and injection labs. Stocked in Florida. Most orders ship the same business day.

Common rail injector components on a workbench: nozzles, control valves, solenoids and a repair kit
Nozzles · Valves · Solenoids · Kits

Built for the bench.

Parts for rebuilders and injection labs.

Common rail components for the rebuild: nozzles, control valves, solenoids and repair kits, plus complete injectors, pumps and rails.

Calibration fluid poured on a test bench
The Maxzz Diesel Companies

One source.

Everything diesel demands.

From the injector on your bench to the fluid in your tester and the training behind it.

Our product lines

Five product lines. One diesel partner.

Injection parts, aftertreatment, fluids, tool sets and training, so your shop can source the whole job from people who know diesel.

Common rail injectorMaxzz Aftertreatment BoxAftertreatment BoxMaxzz NOx Tester BoxNOx Tester BoxMaxzz Fluid Series: 4113 CAL, 2271 Sonic and 2221S SolvOpen Robiel tool case on an injection lab bench, with tools out on the benchDiesel Tech Academy onsite class at the bench

Injection parts, genuine and aftermarket.

The core of the group: injectors, pumps, rails and the parts to rebuild them.

See injection parts

Aftertreatment diagnostic platforms.

Maxzz platforms to test aftertreatment systems on the bench or on the vehicle.

See aftertreatment

Fluids made for the bench.

Calibration fluid and degreasers from the Maxzz Fluid Series.

See fluids

Tool sets for the injection lab.

Tool sets for the injectors you rebuild, from brands we distribute.

See tool sets

Training from the people who supply the parts.

The training arm of the group. DTA teaches how to repair the injectors that Maxzz supplies.

Explore the Academy
Who we serve

We supply the parts behind every rebuilt injector.

Request a quote
Rebuilders and injection labs Nozzles, valves, solenoids and complete injectors to keep your bench running. Distributors
and resellers WHOLESALEB2B Volume supply of genuine and aftermarket injectors, pumps and rails, with special terms for wholesale accounts. High pressure pump Diesel repair shops Parts matched by part number for Cummins, Power Stroke, Duramax and heavy duty engines. Parts warehouse ready for export Export and Latin America We operate across Latin America, from our Florida base. Hablamos español. Falamos português.
Our core line

Injection parts.
Ready to ship.

Common rail injector
Genuine and aftermarket

Injectors

Common rail and XPI injectors from Bosch, Delphi and Denso, plus aftermarket options of excellence.

CumminsPower StrokeDuramaxHeavy duty
Injector repair parts on a steel tray
Bench components

Repair parts

Nozzles, needles, control valves, solenoids, seals and connector tubes for every injector on your bench.

BoschLEADFratelli BosioISX15 and XPI
High pressure pump
High pressure

Pumps and rails

CP3 and CP4 high pressure pumps, fuel rails and side rails, genuine and aftermarket.

CP3CP4Fuel railsDelphi DFP
Support lines

Everything the bench needs.

Kits, diagnostics, tools and fluids to finish every job, from the same supplier that ships your injectors.

Send your part numbers
Maxzz EssentialsContamination kits Every part to restore a contaminated fuel system, in one box, for the Ford 6.7L Power Stroke and the 5th Gen Cummins. AftertreatmentAftertreatment Box A complete diagnostic and validation platform for diesel aftertreatment: DEF level and temperature sensors, catalyst inlet and outlet temperature, pump, injector and CAN. AftertreatmentNOx Tester Box Tests NOx, particulate and ammonia sensors, catalyst efficiency and EMITEC dosing pumps, on the vehicle or on the bench. Euro 5 and Euro 6. Maxzz Fluid SeriesFluids The 2271 Sonic and 2221S Solv degreasers, plus ISO 4113 calibration fluid, by the gallon or by the drum. RobielTool sets Tool sets for Bosch, Denso and Delphi common rail, Cummins XPI and Caterpillar injectors. Duramax L5PPump conversion kits DCR pump conversion kit for 2017 to 2023 Duramax L5P engines.
Our partners

Proud distributors of Denso and Robiel.

We also carry Delphi, LEAD and Fratelli Bosio, and we are the exclusive US distributor for SLP.

Denso Robiel Delphi Technologies LEAD diesel components Fratelli Bosio SLP Swedish Lorry Parts
Strategic partner

Robiel and Maxzz Diesel, on the same bench.

Repair kits, valves and special tools for diesel injection, made in Brazil since 1995.

Like us, Robiel was born in São Paulo and grew with the rebuilders it serves. We bring its tool sets to North America and Latin America, shipped with your parts and fluids in the same order.

Who we are

Diesel specialists for over 30 years.

Injector test bench

Maxzz Diesel began as TW Diesel in São Paulo, Brazil, in 1992. Founder Waldyr Mazzer started out as an instructor for Bosch and Delphi. His sons, Douglas and Michael, joined the business and brought it to the US in 2013.

  • Founded in São Paulo in 1992
  • Started by a Bosch and Delphi instructor
  • In the US since 2013
Injector repair parts on a steel tray

Diesel injection is all we do. We supply complete injectors, pumps and rails, the components to rebuild them, and the kits, tools and fluids that finish the job.

  • Injectors, pumps and rails
  • Repair parts from Bosch, LEAD and Fratelli Bosio
  • Kits, tool sets and fluids
Parts warehouse ready for export

From South Florida we serve rebuilders, injection labs and distributors across the Americas, Europe, Africa, Asia and the Middle East.

  • US stock in South Florida
  • Proud member of the Association of Diesel Specialists
  • Customers on five continents
Customer Support Center

Real people who know injection.
Answers when you need them.

5.0Google rating Rated 5.0 on Google Our customers rate our service five stars on Google.
FastResponse Fast response Get an answer from people who work with injection every day.
EasyAccess Easy access Reach us by phone, WhatsApp or email, or order through the B2B portal.

Talk to our team. +1 (954) 586-4158 · Live chat · WhatsApp · sales@maxzzdiesel.com

Diesel Tech Academy Diesel Tech Academy onsite class at the bench 10 coursesOnline, or onsite at your shop See all courses
Diesel Tech Academy

Injector repair, taught at a working bench.

The training arm of The Maxzz Diesel Companies. Learn to disassemble, inspect, measure and test the injectors you rebuild every day.

A heavy truck, a motor yacht and an excavator on a quay at duskMaxzz Diesel Volvo Engine Kits
Volvo Engine Kits

Overhaul kits for Volvo diesel engines.

Trucks, buses, boats and heavy equipment. SLP aftermarket kits, with a warranty three times longer than original parts.

Truck and busOff-roadMarine and industrial
Visit Volvo Engine Kits
Questions

Quick answers about Maxzz Diesel.

Still need something? Call +1 (954) 586-4158 or send us your part numbers.

Read the complete diesel injection guide →

What does Maxzz Diesel sell?

Diesel fuel injection parts for the bench and the shop: common rail and XPI injectors, high-pressure pumps, nozzles, control valves, repair kits and rails, plus Robiel tool sets, ISO 4113 calibration fluid, contamination kits and SCR / NOx aftertreatment test equipment.

Who can buy from Maxzz Diesel?

Diesel rebuilders, injection labs, distributors, repair shops and fleets. Anyone can request a quote. Approved wholesale customers sign in to see their prices and live stock and to order online.

Where is Maxzz Diesel?

6601 Lyons Road, Ste H-6, Coconut Creek, Florida 33073, USA. The company started in São Paulo, Brazil, in 1992 and has served the US from Florida since 2013.

How fast do orders ship?

In-stock orders placed by 3 pm Eastern ship the same day. Quotes come back with price, stock and lead time within one business day.

Do you ship to Latin America?

Yes. We ship across North America and Latin America, directly or through your freight forwarder in Miami, and our team speaks English, Spanish and Portuguese.

Which brands do you carry?

Genuine Bosch, Denso and Delphi parts and quality aftermarket options. Maxzz is a distributor for Denso and Robiel and the exclusive US distributor for SLP.