Frequently Asked Questions

How do I get a bulk quote?

Ruijue Parts provides you a bulk quote with sealing products and for custom seals, and you can get a quote in two ways: 1. Click on the “Get Quote” button of the website and submit the form to upload your machine models, machine photos, or part numbers. 2. Send your sealing products and requirements directly to our email: info@ruijueparts.com.
After receiving your inquiry, we will contact you within 12 hours and reply with a quotation and solution.

What components are included in the 14X-13-05010 service kit?

This kit is designed for a complete torque converter overhaul. It typically includes critical sealing components such as O-rings (e.g., 07000 series), seal rings, and specialized gaskets required to prevent fluid leaks and maintain pressure in Komatsu D85E and D65E series transmission systems.

What is the primary function of the 14X-15-05030 seal kit?

This kit is designed to seal the internal passages of the transmission unit in Komatsu bulldozers. It prevents internal pressure loss and external oil leaks, ensuring smooth gear synchronization and protecting the transmission from premature wear during heavy-duty operations.

Does the 186-4327 seal kit fit both the standard and extendable bucket cylinders?

Yes, this kit is specifically designed for the 2.5" rod and 3.5" bore cylinders used in both standard backhoe buckets and extendable stick bucket applications on compatible Caterpillar models.

How do I know if my drive motor seals need replacing?

Common signs include visible oil leaking from the motor housing, a noticeable drop in travel power, or debris/contamination entering the hydraulic system. Prompt replacement prevents further damage to the motor's internal components.

Is this seal kit compatible with all Caterpillar 226B models?

Yes, it is compatible with the standard 226B as well as the 226B2 and 226B3 series. However, always verify your specific motor part number, as some high-flow or two-speed models may use different kits.

What is included in the 289-6336 seal kit?

The 289-6336 kit typically includes all critical O-rings, oil seals, and backup rings required to reseal a single-speed drive motor (travel motor) to stop external leaks and maintain internal pressure.

What part numbers are interchangeable with 1113301?

The 1113301 is interchangeable with 111-3301, CTC-1113301, 246-5927 (2465927), and 193-7626. All refer to the same steering cylinder seal kit for Caterpillar backhoe loaders.

What is the lead time for the 1113301 kit?

We maintain a large inventory of 1113301 kits in our warehouse for immediate global shipping. Contact our team for current stock status and estimated delivery to your location.

Is the 1857674 seal kit compatible with the CAT 416C lift cylinder?

Yes. It is the primary seal kit for cylinder groups 1110888 and 1235089—the loader lift cylinders used on the CAT 416C backhoe loader.

Is the 245-6839 kit compatible with Caterpillar D8R and D8T bulldozers?

Yes. The 245-6839 seal kit is primarily used in ripper cylinder and tilt cylinder configurations for Caterpillar D8R and D8T track-type tractors.

Is this an original Caterpillar part?

No. This is a high-quality aftermarket replacement part manufactured by Regent Parts. It is designed to original equipment manufacturer (OEM) specifications and meets OEM standards in terms of compatibility, material quality, and hydraulic performance. Regent Parts has no affiliation with Caterpillar Inc.

How often should I inspect the seals after installation?

Inspect rod seals every 250-500 operating hours for signs of moisture or weeping. Maintain fluid cleanliness by regularly replacing hydraulic filters, as abrasive contamination is a primary driver of early seal failure.

Do you offer bulk pricing for repair shops and distributors?

Yes. RuijueParts provides competitive wholesale and volume pricing for repair shops, fleet operators, and international distributors. Submit a quote request or contact our oursales team with your order quantity for custom pricing.

What is the difference between OEM and aftermarket seal kits?

Aftermarket seal kits are compatible replacements for original OEM parts. They are widely used in maintenance and repair of hydraulic cylinders, breakers, and transmissions, offering reliable performance for heavy equipment at competitive prices.

Can you support urgent orders?

Yes, we prioritize urgent orders whenever possible. Please contact our sales team with your required part number and quantity for fast processing.

What is your MOQ for seal kits?

The minimum order quantity depends on the product type. Most hydraulic cylinder and breaker seal kits can be ordered individually, while bulk orders for distributors have flexible MOQ options.

How long does international shipping take?

Shipping time depends on destination. Generally, standard shipping takes 7-15 business days for international orders, while express shipping can reduce delivery time to 3-7 days.

Which countries do you supply to?

We supply hydraulic seal kits and gasket kits to customers worldwide, including Saudi Arabia, the UAE, Turkey, Africa, and other regions.

What is included in a hydraulic breaker seal kit?

A hydraulic breaker seal kit typically includes piston seals, cylinder seals, rod seals, wear rings, O-rings, and other necessary components for cylinder maintenance. Each kit is designed for specific breaker models.

Which machines use hydraulic cylinder seal kits like 245-6839?

245-6839 hydraulic cylinder seal kits are compatible with various Caterpillar machines, such as excavators, loaders, and bulldozers. Always confirm the model and cylinder type before ordering to ensure compatibility.

Do you support private label or OEM packaging?

Yes, RuijueParts can offer private label packaging and OEM-style boxes for seal kits, including hydraulic cylinder and breaker kits, subject to MOQ requirements.

Do you support bulk orders for distributors?

Yes, we supply hydraulic and transmission seal kits for distributors and repair workshops. Bulk pricing and long-term supply options are available upon request.

Can I order hydraulic seal kits by part number?

Yes, you can order any seal kit by its part number, such as 245-6839 or 707-99-47830. Ordering by part number ensures compatibility with your machine and speeds up the quotation process.

What information is needed for a quotation?

To provide an accurate quote, please provide the part number, machine brand (e.g., Caterpillar, Komatsu), model, and the quantity required. This helps us confirm compatibility and shipping costs.