Serving the Heavy Equipment Industry for 40+ Years
BUILT FOR THE FIELD. ENGINEERED TO LAST.
Quality Pac delivers OEM-spec o-ring kits for construction, paving, mining, and agricultural equipment across 200+ makes. One case, every size your shop needs.
3,000+
Kit SKUs
760
O-rings in largest kit
OEM
Spec or better
2-Day
Average ship time
Featured Kits
READY TO SHIP
Komatsu-Compatible · 15-KU-80
A/C O-Ring Kit
120 o-rings across 12 sizes for Komatsu-compatible equipment A/C systems. R12/R134A compatible. Includes valve cores and removal tool.
Hamm-Compatible · 36-HMM-79
Roller Service Kit
Single-sided service kit for Hamm-compatible rollers and compactors. High/low pressure Viton o-rings with brass extraction set.
Kubota-Compatible · 491-KUB-79
Mega Service Kit
760 o-rings across 91 sizes for Kubota-compatible equipment. Double-sided. Cross-reference guide for superseded parts.
Why QPAC
QUALITY THAT EARNS TRUST
OEM Spec or Better
Every o-ring is tested to meet or exceed original manufacturer specifications. Your repair holds.
Kit Completeness
Kits include every size your tech needs for the job — no partial packs, no surprises.
Fast Fulfillment
In-stock inventory ships same or next day. Because downtime is expensive.
Find a Dealer Near You
QPAC products are available through a nationwide dealer network serving construction, paving, mining, and agricultural service shops.