Question 1

What is the OEM part number of this seal kit?

Accepted Answer

The OEM part number is 131750A2. It is designed as a replacement hydraulic cylinder seal kit for selected Case construction equipment.

Question 2

Which machines is this seal kit compatible with?

Accepted Answer

This seal kit is commonly used on selected Case backhoe loaders and construction equipment. Please provide your machine model, cylinder dimensions, or OEM part number for compatibility confirmation before ordering.

Question 3

What materials are used in the seal kit?

Accepted Answer

The kit is manufactured from premium NBR, PU, PTFE, and high-quality rubber materials, providing excellent resistance to hydraulic oil, wear, pressure, and temperature.

Question 4

What is included in the seal kit?

Accepted Answer

The kit typically includes oil seals, O-rings, wear rings, backup rings, rod seals, piston seals, dust seals, and other necessary sealing components for hydraulic cylinder repair.

Question 5

Can you supply OEM or customized seal kits?

Accepted Answer

Yes. We support OEM, ODM, and customized packaging. Custom seal kits can be produced according to OEM numbers, samples, or technical drawings.

Question 6

How do you handle quality issues after shipment?

Accepted Answer

We provide professional after-sales support with a fast response within 24 hours. We offer technical analysis, replacement or compensation solutions, and continuous communication until the issue is resolved.

Question 7

Does this kit include the cylinder head gasket?

Accepted Answer

Yes. The upper gasket set includes the cylinder head gasket together with other upper engine sealing components required for cylinder head service.

Question 8

How long is your delivery time?

Accepted Answer

Sample orders take 3-7 days. Small orders take 7-15 days. Bulk orders take 15-30 days depending on quantity. We ensure stable and on-time shipment scheduling.

Question 9

What is your packaging method for engine parts?

Accepted Answer

We use export-standard packaging including heavy-duty cartons with reinforcement, wooden boxes for large parts, anti-rust protection, shockproof foam, individual packaging for precision components, and palletized loading for container safety.

Question 10

Do you support inspection before shipment?

Accepted Answer

Yes, we support factory inspection, third-party inspection (SGS, BV, etc.), and photo/video confirmation before shipment to guarantee full transparency.

Question 11

What payment terms do you accept?

Accepted Answer

We accept flexible payment methods including T/T (Bank Transfer), L/C at sight for large orders, and negotiable terms for long-term partners.

Question 12

Why choose Donzhen company?

Accepted Answer

We offer 12+ years of export experience, stable supply chain, flexible OEM and aftermarket options, strict quality control, fast quotation within 24 hours, professional technical support, and reliable global shipping solutions.

Question 13

Can you help identify engine parts?

Accepted Answer

Yes, we provide technical support for part number identification, model matching assistance, cross-reference between OEM and aftermarket parts, and technical consultation for engine systems.

Question 14

How fast can I get a quotation?

Accepted Answer

We usually provide quotations within 24 hours after receiving your inquiry, including product price, MOQ, lead time, and shipping options.

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