Audi E type clutch hub assembly ZF 8HP55A 38 spline and matching gears
Price:
0-1000
MOQ:
1
Delivery Time:
5-8 work day
Brand:
AUDI
Product Description
Key Specifications:
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Spline Design: 38 involute splines (12° pressure angle) with 0.8–1.2µm hardened surface finish for gear engagement
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Material: Case-hardened 20MnCr5 steel (58–62 HRC core, 850HV surface)
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Gear Match: Mated to planetary carrier with 0.02–0.05mm backlash tolerance
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Critical Functions:
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Transmits 320Nm in 2nd/4th/6th gears
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Oil passages for clutch cooling (flow rate: 4–6 L/min)
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Failure Modes:
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Spline fretting (if backlash exceeds 0.1mm)
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Lubrication starvation marks at >120°C
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Note: Updated from 8HP45 with 15% wider spline base for 6000+ shift cycles. Requires ZF-approved friction modifier additives.
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Guangzhou Meishun Automatic Transmission Co., Ltd.
Location
Room 102, Building D, Jingu Science & Technology Parks, No.9,Jinggu south road, Huadu District, Guangzhou, Guangdong, China
Contact Person
Kinny