About Us

Hydraulic Parts Source is a premier supplier of remanufactured hydraulic pumps, motors, and valves.

Doug Filzek

Doug Filzek

President

Doug has owned Hydraulic Parts Source and acted as President for the past 20 years. He is the driving force behind the HPS mission of speed and customer satisfaction. He keeps a constant focus on improving the business to be more efficient and finding the best staff available to serve customer needs. He motivates the team to maintain a high level of integrity in all that they do, to always do right by customers, and to be the best company in our market.

As a lifelong resident of Michigan, Doug attended Lawrence Technological University before starting a family and opening the business. He’s been happily married for 25 years and has 5 children. He enjoys golfing and spending time with family.

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Cory Gilbert

Cory Gilbert

CEO

With a personal goal of taking care of the customer at all costs, General Manager Cory Gilbert has been a driving force behind the high level of customer satisfaction at Hydraulic Parts Source. He has been with our team for 8 years. Cory has a “whatever it takes” attitude and helps maintain a customer service team that is accountable, honest, efficient, and hard-working. One of the first things you’ll learn about Cory in his professional life is his belief that “customer relationships are everything.”

Cory is a graduate of Alma College with a degree in Finance and Marketing. Outside of work, he enjoys spending time with family and is a proud brother & uncle. He is a sports fan who also enjoys golfing in his free time.

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Josh Isenhardt

Josh Isenhardt

General Manager

Plain and simple, Josh is motivated by our people, our process, and our product. His goal is to serve HPS customers by creating processes, training/developing people, and maintaining fanatical attention to detail in every area of our system. Josh’s passion is to lead a world-class company through offering the highest quality parts, fastest possible delivery, and industry-leading customer care.

Josh was born and raised in the Atlanta area, but has lived in Michigan since 2005. He earned his Masters Degree in Business Strategy, Management, and Leadership from Michigan State University. Outside of work, he is a proud single father raising two incredible children. He is a lifetime learner/reader who enjoys fitness, tinkering with electronics, and spending time with his kids.

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Stacie McCray

Stacie McCray

Customer Service Manager

As our Customer Service Manager, Stacie’s goal is to go above and beyond for each and every HPS customer. Her professional background is rooted in customer service, with 16 of her 26 years in the field being focused on remanufacturing. She is a graduate of University of Kentucky’s Business Management program, making her uniquely qualified to understand – and deliver – the solutions our customers need.

Raised in Maysville, Kentucky, Stacie moved to Michigan in 2005. She is engaged to be married in Fall 2020, has two daughters, along with a future stepson and stepdaughter! She enjoys racing classic cars, especially her favorite – the Ford Mustang. On a different side of the spectrum, she is the owner of “The Sweetest Escape”, an online cupcake bakery. In what free time remains outside of Stacie’s business pursuits and many passions, she enjoys singing, dancing, and spending time with her wonderful family.

Ryan Crocker

Ryan Crocker

Inside Sales

Ryan is a lifelong Michigan resident with over 20 years experience in sales and customer service. He has been part of the HPS team since 2010.

Our customers trust Ryan because of his thorough follow-up, and his genuine concern with their needs. He’s known to take every customer request very seriously and consistently delivers client results. We have an amazing team and Ryan’s strength is being our go-to-guy to “get things done”.

Ryan is a proud uncle who loves fantasy football and a good game of poker. In addition to being a motorcycle enthusiast, he’s a big Detroit sports fan.

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Bryan Laubach

Bryan Laubach

Inside Sales

Bryan has been in the hydraulics industry for over 25 years, with over 10 with HPS. He attended Vickers Hydraulic Training and brings an immense knowledge of the field to our sales and service team. Customers often compliment Bryan as trustworthy, knowledgeable, extremely detailed, and fast at getting answers to customers – especially at critical times. We’re proud to be able to count on Bryan to handle any situation.

Prior to his work with Hydraulic Parts Source, Bryan was with Motion Industries for almost 20 years. He hails from Macomb Township, Michigan, and has been happily married for over 25 years. He loves music, cars, and Star Wars collectibles.

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Robert Cacciapalle

Robert Cacciapalle

Inside Sales

Robert has been a part of the Hydraulic Parts Source team since 2011. Robert is a graduate of the University of Phoenix, and resides in Clinton Township with his wife and family. He enjoys working on cars, playing hockey, and spending time with friends & family.

Robert is skilled in different areas of expertise at HPS; he has been cross-trained in multiple departments which allows him to be on-demand help wherever the team needs it. He is part of the reason HPS has the ability to provide customers with quick responses & excellent service.

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Sarah Tanner

Sarah Tanner

Customer Service & Sales Assistant

Sarah has been in the manufacturing field throughout her professional career and began with HPS in early 2019. She loves to help customers get taken care of quickly, priding herself on getting the job done right and on time – the first time. 

A life-long Michigander, Sarah has attended Oakland and Macomb Community Colleges, with a plan to move into Wayne State University’s School of Social Work in Fall 2020 alongside building her own nonprofit business focusing on changing how rehabilitation is offered for substance abuse disorders in the United States. She is motivated to succeed in any scenario, and considers herself a chameleon who adapts to any situation with skill and grace.

Sarah is married with a spoiled “Labrador mutt” named Tucker who loves to go to the dog park. She loves writing, Michigan sports, and staying active; she currently swims or plays basketball 3-4 days per week.

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Our Customers Say It Best.

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“Building strong relationships with key suppliers is essential to our business. We rely on Hydraulic Parts Source for fast delivery and quality products. Their customer service is second to none!”
-Scott S.

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“I’ve had a great experience with the Hydraulic Parts Source team! I love your confirmations & you add the tracking numbers. You guys are great, fast, easy to deal with & prompt in responding to requests.”
-Chad H.

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“We are thankful for the prompt service, quick turn-around time & fair pricing that we can always count on from HPS.”
-Shawn

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“The quality of service is high and has been maintained during our business relationship. My contact, Bryan, is skillful in his field. I appreciate the quality of his work and him taking the time to answer all my questions.”
-H. Peeters

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“We have been a client of HPS for over 20 years. During this period we’ve always found the product to be of the highest quality and in some cases better than the new product from the manufacturer. The staff are always pleasant and extremely helpful with an abundance of technical knowledge. I would recommend this company to any potential clients.”
-John Grange

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“Good costs, great service, great quality! Hydraulic Parts Source is a great company to deal with. We have dealt with HPS daily for the last 7 years. In that time, they’ve taken very good care of us. The quality of their parts and remanufactured units are a step above the rest. HPS knows customer service and I know they make every effort to meet our needs!”
-Bryan A.

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“I have been working with HPS for years now and can’t remember one time they failed to meet or exceed my needs. They have always gone the extra distance on quoting and getting product to me quickly. I have not been able to find any other supplier that does as good of a job as they do.”
-Michelle Rangel

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“I started using Hydraulic Parts Source in 2012 after making the switch from my previous supplier. HPS provides fast & efficient customer service as well as technical expertise. That combined with their large inventory on both parts as well as new units made it a no-brainer for me to use them as my main hydraulic supplier.”
-Daniel Gradzewicz