Precision Engineered. Zero Leaks.
Premium hydraulic seal kits for excavators, engineered with decades of deep hydraulic expertise.
Built on
deep hydraulic
expertise
LEAKOLOCK® is a precision-engineered hydraulic seal kit brand built on deep field knowledge and an obsession for zero-leak performance.
Timeline of excellence
Why LEAKOLOCK?
We created LEAKOLOCK® because we saw too many machines go down due to poor-quality seal kits. Every hour of downtime costs contractors money. Our brand was born to fix that, permanently.
What 'Performante' means
"Performante" is Italian for high-performance. We chose this word because our seal kits are not just replacements - they are performance upgrades. Built to the same tolerances as OEM components or better.
Sealing fast forward
Our tagline captures everything: the speed of delivery, the certainty of performance, and the forward momentum we give our customers when their machines are back running at full power.
Products that
perform
Boom Cylinder Seal Kit
Heavy-duty seal kit for excavator boom cylinders. Withstands extreme hydraulic pressures up to 350 bar. OEM-compatible for all major brands.
Bucket Cylinder Seal Kit
Precision-engineered bucket cylinder seal kit. Designed for high-cycle applications with superior abrasion resistance.
Arm Cylinder Seal Kit
Complete arm/stick cylinder seal kit. Features triple-lip wiper seals for maximum contamination resistance in harsh environments.
Center Joint Seal Kit
360° rotary seal kit for excavator center joints / swivel joints. Ensures leak-free rotation under continuous hydraulic flow.
Hydraulic Cylinder Seal Kit
Universal hydraulic cylinder seal kit. Comprehensive set including piston seal, rod seal, wiper, O-rings and backup rings.
Mini Excavator Boom Seal Kit
Compact boom seal kit for mini excavators. Fits 1T–8T machines. Includes all seals, O-rings, and back-up rings.
Can't find your specific model? We stock 200+ seal kit variants.
Request Custom Seal KitEngineering trust,
one seal at a time
Every LEAKOLOCK® kit is backed by decades of hands-on experience, rigorous testing, and a simple promise: zero leaks, zero downtime.
OEM-compatible precision
Every seal kit is dimensioned to OEM specifications. Direct-fit replacement with no modifications needed, saving you time and labour costs.
Zero-leak guarantee
Each kit is batch-tested to withstand pressures up to 380 bar. If it leaks within the warranty period, we replace it. No questions asked.
Built for demanding conditions
Heat, dust, extreme pressure cycles. Construction sites are brutal. Our seal compounds are formulated for temperatures from -30°C to 120°C and extreme contamination exposure.
15+ brand compatibility
Komatsu, Hitachi, CAT, JCB, Volvo, Kobelco, Hyundai, Doosan, XCMG, Liugong, Sany, Zoomlion and more. One supplier for your entire fleet.
Genuine material grades
Polyurethane, FKM (Viton), NBR, and PTFE. We specify the right compound for each application, not just the cheapest rubber available.
Fast nationwide delivery
Same-day dispatch for orders placed before 3pm. Nationwide delivery within 48-72 hours. We know downtime costs money. We move fast.
One supplier.
Every brand.
LEAKOLOCK® seal kits are engineered for all major excavator brands. Simplify your procurement. One trusted supplier for your entire fleet.
Don't see your brand? Email us at info@leakolock.com - we likely stock it or can source it within 48 hours.
Stop the leaks.
Start sealing.
Get a quote for your fleet today. Same-day dispatch. Built on decades of hydraulic expertise.