Your Complete OES Partner
for Full Undercar Sourcing and Supply
Discuss OES sourcing for your undercar categories.
- 40+ years of manufacturing
- Full undercar category coverage
- National distribution built for OES partners
REQUEST OES SOURCING DISCUSSION
Submit the form below to discuss your exclusive undercar requirements.
$535B+
Global Aftermarket
Size
13 YRS
Avg U.S. vehicle
age
2x
Hybrid adoption
in 3 years
15.8M
U.S. new vehicle
sales
3 YRS
Domestic Fleet
older than foreign
$535B+
Global Aftermarket
Size
13 YRS
Avg U.S. vehicle
age
2x
Hybrid adoption
in 3 years
15.8M
U.S. new vehicle
sales
3 YRS
Domestic Fleet
older than foreign
$535B+
Global Aftermarket
Size
13 YRS
Avg U.S. vehicle
age
2x
Hybrid adoption
in 3 years
15.8M
U.S. new vehicle
sales
3 YRS
Domestic Fleet
older than foreign
$535B+
Global Aftermarket
Size
13 YRS
Avg U.S. vehicle
age
2x
Hybrid adoption
in 3 years
15.8M
U.S. new vehicle
sales
3 YRS
Domestic Fleet
older than foreign
WHY GSP?
"GSP North America supports OEM service divisions and strategic sourcing programs with OE-certified manufacturing, scalable supply chains, and complete undercar solutions."
40 Years of Manufacturing
Four decades of stable tooling, validated processes, and an engineering team that understands OES program requirements from day one. Experience you can build a long-term sourcing program around.
Nearshore Supply
GSP's nearshore manufacturing model reduces tariff exposure and lead time volatility to give your finance and procurement teams the cost predictability required for long-term program planning.
Engineering Support
Our technical team engages from start to finish to assist with application reviews, fit verification, quality sign-offs to help shorten your qualification process for easy collaboration.
Full Category | One Source
CV axles, driveshafts, hubs & bearings, steering, suspension, control arms, and ride control provide a complete solution for your business. Consolidate your vendor list without sacrificing coverage or accountability.
OES-Grade Quality
Every part engineered and tested to OE fit, form, and function. Durability and endurance testing is standard. CNAS Certified and Quality documentation is ready for your engineering and compliance teams.
National Distribution
Coast to coast distribution centers located in Spartanburg, SC and Avondale, AZ delivers coverage, shorter lead times, and buffer inventory for high-velocity programs. When your customers need parts, we are here to help.
Increased Demand
Peak replacement cycles paired with full undercar category coverage.
Consolidation
Fewer suppliers needed. Better margins realized for our partners.
Hybrid Adoption
Application range extensively covers the full undercar ecosystem.
What OES Buyers Need To Know
The oldest vehicle fleet on record is reshaping service demand. The suppliers that deliver availability, speed, and margin discipline will win the program.
Supply Reliability Risk
Stockouts and lead-time swings stall programs and erode dealer trust.
Multi-Supplier Complexity
Juggling vendors per category multiplies cost, risk, and admin overhead.
Quality Inconsistency
Variable fit and durability drive warranty claims and comebacks.
Aftermarket Trends
- Oldest fleet on record
- Service can't be deferred
- Hybrids need both sides
- Domestic gap is widening
The 2026 Profit Playbook
-
Lead with fleet age
-
Stock the urgent categories
-
Treat hybrids as full undercar
-
Consolidate to protect margin
COVERING 95% VEHICLES IN
OPERATION
QUALITY & ENGINEERING
Validation & Testing
- Durability Testing
- NVH Testing
- Metallurgy Validation
- Lifecycle Testing
Manufacturing Controls
- Process Validation
- Advanced Machining
- Quality Inspection Protocols
MANUFACTURING &
QUALITY
Manufacturing is one of our core competencies. With over 30 years of professional experience, GSP products have been sold in more than 120 countries globally. We pride ourselves on top quality to provide durable, long-lasting products, making GSP a world-class leading resource for all our customer's needs in the Automotive Industry.
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What Our OES & Distribution
Partners Say
Procurement, quality, and distribution leaders rely on GSP to keep programs supplied and dealers stocked with uncompromising quality.
"Consolidating our undercar lines with GSP cut our supplier count and the fill rate has been exactly what they promised. Our dealers stopped chasing back-orders."
David M.
Procurement Director
Regional Parts Distributor
"The PPAP and validation documentation was ready when we needed it. Our engineering team cleared the program faster than any supplier we've onboarded."
Sandra R.
Quality Manager
OEM Service Division
"Nearshore supply and the two U.S. distribution centers took the guesswork out of lead times. Costs are predictable and we can actually plan around them."
James T.
Supply Chain Lead
Aftermarket Group
Globally Certified Excellence
Recognized globally for maintaining the highest standards in quality management, environmental responsibility, and operational excellence.
ISO 17025:2017
ISO 45001:2018
ISO 14001:2015
ISO 9001:2015
Supporting Those Who Served
PROUD SUPPORTER OF CHILDREN OF THE FALLEN PATRIOTS FOUNDATION
GSP is proud to support the Children of Fallen Patriots Foundation in their mission to provide college scholarships and educational counseling to military children who have lost a parent in the line of duty. By contributing to this cause, we aim to honor the sacrifices of military families and ensure that these students have the financial resources necessary to pursue higher education and achieve their professional goals. Our commitment to this foundation helps bridge the gap in funding for post-secondary education, providing a pathway to success for the children of fallen heroes.
Ready to Discuss
OES Sourcing?
Contact GSP North America — 40+ years of manufacturing, full undercar category coverage, and national distribution built specifically for OES partners.
REQUEST PARTNERSHIP