OEM & Bulk Orders for Construction Machinery Seal Kits - Get a Quote
RuijueParts was founded on years of hands-on experience in the heavy machinery maintenance industry. Our team has worked closely with repair workshops, equipment owners and distributors, understanding the real challenges caused by equipment downtime and unreliable sealing components.
We recognized the need for stable, cost-effective aftermarket seal kits that meet the performance demands of hydraulic and transmission systems. From practical field experience to structured supply solutions, RuijueParts was built to serve long-term maintenance and procurement needs.
Today, we continue to focus on providing reliable sealing solutions for heavy construction equipment worldwide.
We specialize in aftermarket seal kits for heavy construction machinery, covering a wide range of applications, including:
Our products are designed as replacement solutions compatible with major equipment brands such as:
We focus on stable material performance, dimensional accuracy, and long-term sealing reliability for hydraulic systems operating under demanding conditions.
All products are aftermarket replacement parts and are not affiliated with the original brand manufacturers.
RuijueParts serves repair shops, distributors, trading companies, and machinery rental businesses with consistent bulk supply capabilities.
With organized inventory management and strict quality control, we support:
Our goal is simple — to become a dependable sealing solution partner for heavy machinery maintenance worldwide.
We value stable cooperation, transparent communication, and long-term business relationships.
We focus on your success: high-quality, OEM-compatible aftermarket parts, reliable supply, fast shipping, and customer-focused support. Many repair shops and distributors rely on us for long-term procurement solutions.
Yes. We want you to feel confident. Products can be returned within 30 days if eligible. Our team will guide you through the process, ensuring minimal disruption to your workflow.
We know customers need clear pricing for planning. Send us your part numbers, quantities, and shipping location, and we’ll provide a fast, accurate bulk quote to help you make informed procurement decisions.
We understand your concern—wrong parts can cause downtime. Just provide your machine brand, model, and part number, and we’ll confirm the correct hydraulic or transmission seal kit for your equipment. This ensures your machinery stays safe and efficient.
Yes! We know customers want to inspect parts before committing to large orders. We offer sample orders of our aftermarket sealing kits so you can verify fit, quality, and durability before bulk procurement.
We understand that turnaround time is critical. Standard orders ship within 1-3 business days, while bulk orders require 3-7 business days. For urgent orders, please contact our sales team. [Email: info@ruijueparts.com]
No problem! Our team can help identify the right seal kit based on your machine photos, serial numbers, or model details. We want to save you time and avoid costly mistakes.
The Cat 336D swing motor overhaul kit was a game-changer. No downtime since installation, holds pressure perfectly. Worth every penny—way better value than genuine parts.
Multiple Volvo and Hitachi seal kits in one order—all arrived in excellent condition, fit like a glove, and have been rock-solid reliable. RuiJueParts delivers the consistency we need for our fleet. Thank you!
Ordered a full set of hydraulic cylinder seal kits for my Cat 320 excavator. Perfect fit, no leaks after 3 months of heavy use. Quality feels just like OEM but at half the price. Fast shipping to California too. Highly recommend RuiJueParts!
Bought Komatsu PC200 boom and bucket seal kits in bulk. Excellent material, held up great under high pressure. No issues with compatibility. The private label option was a bonus for my brand. Will order again soon.
Great experience with Volvo EC210 travel motor seal kits. Arrived on time, well-packaged, and performed flawlessly. Saved my client a fortune compared to dealer prices. RuiJue is now our go-to supplier.
The Komatsu WA380 loader transmission seal kit performed exceptionally. No oil leaks, smooth operation. Fast response from the support team on sizing questions. Trusted supplier now.
The Hitachi ZX200 pump seal kit was spot on—exact dimensions, durable seals, and zero leaks after installation. Delivery was quicker than expected. Solid quality for the price. 5 stars!
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