| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| Supply Ability | in stock |
| Delivery Time | 5-10 days |
| Packaging Details | Carton |
| Configuration | Piston Kit |
| Application | for Perkins 1004.40 1004.40T diesel engines |
| Replaces | U5LF0021(0022) |
| Material | Alloy |
| Condition | Brand new aftermarket |
| Category | Diesel Engine Piston Ring Set |
| Brand Name | Wespc |
| Model Number | U5LF0021(0022) |
| Certification | ISO9001 |
| Place of Origin | China |
View Detail Information
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Product Specification
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram | Supply Ability | in stock |
| Delivery Time | 5-10 days | Packaging Details | Carton |
| Configuration | Piston Kit | Application | for Perkins 1004.40 1004.40T diesel engines |
| Replaces | U5LF0021(0022) | Material | Alloy |
| Condition | Brand new aftermarket | Category | Diesel Engine Piston Ring Set |
| Brand Name | Wespc | Model Number | U5LF0021(0022) |
| Certification | ISO9001 | Place of Origin | China |
| High Light | perkins 1004 t436364 ,perkins 1004 piston ring ,diesel engines t436364 | ||
WESPC U5LF0021 (U5LF0022) piston kit for Perkins 1004.40 1004.40T diesel engines
| Brand Name | WESPC |
| Place of Origin | China |
| Part Number | U5LF0021(0022) |
| After-sales Service Provided | Video Technical Support, Online Support |
| Marketing Type | Ordinary Product |
| Certificate | ISO9001 |
| Warranty | 1 Year |
| Stock | Yes |
Application
WESPC U5LF0021 (U5LF0022) piston kit for Perkins 1004.40 and 1004.40T diesel engines. Commonly used in FG Wilson generator sets, agricultural tractors, and construction machinery. Restores compression, oil control, and combustion efficiency during in-frame or major overhauls. Alloy piston with anodized crown and nitrided/chrome-faced rings ensures durability under sustained high-load operation.
Generator sets
Suitable for Perkins-powered gensets in the 1004.40/1004.40T range, delivering stable sealing and reduced oil consumption in both prime and standby duty cycles.
Industrial & agricultural equipment
Applied in Massey Ferguson tractors, telehandlers, and other OEM platforms using Perkins 1004 Series engines. Graphite-coated skirt reduces friction; ring pack maintains sealing under heavy-duty cycles.
Technical specifications
Part number: U5LF0021 (superseded by U5LF0022 in some Perkins service references)
Function: piston kit (piston, rings, pin, circlips)
Material: alloy piston with anodized crown; ductile cast iron rings with nitrided top and chrome oil control
Compatible engines: Perkins 1004.40, 1004.40T
Bore size: standard (100.00 mm)
Warranty: 12 months
Interchange part number
U5LF0021; U5LF0022; verified fitment for Perkins 1004 Series engines in FG Wilson gensets and industrial/agricultural machinery
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Company Details
Business Type:
Manufacturer,Trading Company
Year Established:
2019
Total Annual:
300,0000-450,0000
Employee Number:
100~150
Ecer Certification:
Verified Supplier
WESPC(Dongguan)Tech Co., Ltd. is a wholly-owned subsidiary of WESPC Hong Kong. The company has long been deeply engaged in the Perkins aftermarket spare parts sector, while also covering a wide range of multi-brand engines and related components. With years of professional expertise and... WESPC(Dongguan)Tech Co., Ltd. is a wholly-owned subsidiary of WESPC Hong Kong. The company has long been deeply engaged in the Perkins aftermarket spare parts sector, while also covering a wide range of multi-brand engines and related components. With years of professional expertise and...
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