Product Overview

The U6049662 hydraulic cylinder seal kit is an aftermarket rebuild set supplied by DJF Seals for the boom cylinders of CASE excavators. The number U6049662 is listed by multiple independent aftermarket suppliers — FridayParts, Amazon marketplace listings (YIHETOP, PRECISION AUTOPARTS), eBay, Duraforce and RuijueParts — which confirms it is a recognised CASE-series cylinder seal kit number rather than a proprietary DJF reference. The kit covers the sealing elements of one boom cylinder: rod seals, piston seals, wipers, wear guidance components, backup rings and O-rings as applicable to the application. DJF Seals supplies it factory-direct for heavy-equipment parts distributors, repair shops and fleet maintenance teams.

Verified Application

Boom cylinder of CASE excavators. Cross-verified sources: Amazon (YIHETOP) lists “Boom Cylinder Seal Kit U6049662” for CASE excavators; eBay lists “Boom Cylinder Seal Kit U6049662 For Case 1088 1188 1288 588 788…”; Duraforce lists “Boom Cylinder Seal Kit U6049662 for CASE 788 1088 1288 WX170 WX200 CX210 CX230”. Most independent listings agree on the boom cylinder; several also reference the same number for the bucket cylinder (see Fitment Verification). The machine type is excavator — a minority of listings mislabel these CASE machines as wheel loaders or skid steer loaders; those labels should be ignored.

Replacement Scope

One boom-cylinder seal set per kit — rod and piston sealing elements with wipers and wear guidance components as supplied. Because boom cylinders differ between the CASE 588–1288 series and the CX/WX series, confirm the model and the cylinder of your machine before purchase. No independent source publishes dimensions for this kit; do not assume rod or bore sizes.

Fitment Verification

Models verified across independent sources: CASE 1088, 1188, 1288, 588, 688, 688B, 788, 788P, 788PSU, 888, 888B, 988, 988CK, CX210, CX230, WX150, WX170 and WX200 — the same list as on this page, matching the application list published by FridayParts; the core set (1088, 1188, 1288, 588, 688, 788, 888, CX210, CX230, WX170, WX200) is confirmed by Amazon and eBay listings. FridayParts additionally lists 61, 81, 988CKE, 988P and CX225SR (single source only). CONFLICT NOTE: most suppliers label U6049662 a boom cylinder seal kit, but FridayParts (“Bucket / Boom Cylinder Seal Kit”) and RuijueParts (“boom/bucket”) also reference the bucket cylinder, and one eBay listing mentions boom / arm / bucket — confirm the cylinder position on your machine before ordering.

Factory Inspection & Packing

Every DJF seal kit is checked against its part number and application list before packing: seal elements are inspected for visible defects, counted against the kit list, and packed in sealed PE bags with a parts label. Kits are then packed into export cartons for warehouse or direct shipping. OEM/ODM branding and custom packaging are available on request.

Wholesale Ordering

DJF Seals is the factory, so wholesale buyers deal directly with the manufacturer. We supply the U6049662 and other CASE seal kits at factory-direct pricing, with mixed orders supported. Send your inquiry with quantity to [email protected] or [email protected] — our sales team responds within one business day with a quote, lead time and shipping options.

MOQ

MOQ: 5 kits.

FAQ

Is U6049662 a genuine CASE OEM part number?

U6049662 is a recognised CASE-series aftermarket cylinder seal kit number listed by several independent suppliers, but no CNH dealer-catalog entry was found for it. DJF sells it as an aftermarket replacement kit — verify fitment against your cylinder and machine before purchase.

Which cylinder does this kit fit?

Most independent listings label it a boom cylinder seal kit. Some suppliers also reference the same number for the bucket cylinder, and one eBay listing mentions boom / arm / bucket. Confirm the cylinder position on your machine before ordering.

What is the MOQ and how do I order?

MOQ: 5 kits. Email [email protected] or [email protected] with your quantity and shipping address for a factory-direct quote.