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Audi E type clutch hub assembly ZF 8HP55A 38 spline and matching gears
Product Summary
Key Specifications: Spline Design: 38 involute splines (12° pressure angle) with 0.8–1.2µm hardened surface finish for gear engagement Material: Case-hardened 20MnCr5 steel (58–62 HRC core, 850HV surface) Gear Match: Mated to planetary carrier with 0.02–0.05mm backlash tolerance Critical Functions: Transmits 320Nm in 2nd/4th/6th gears Oil passages for clutch cooling (flow rate: 4–6 L/min) Failure Modes: Spline fretting (if backlash exceeds 0.1mm) Lubrication starvation marks
Basic Properties
Brand Name:
AUDI
Model Number:
8HP-55A;0BK
Trading Properties
Minimum Order Quantity:
1
Price:
0-1000
Payment Terms:
T/T
Product Description
Key Specifications:
-
Spline Design: 38 involute splines (12° pressure angle) with 0.8–1.2µm hardened surface finish for gear engagement
-
Material: Case-hardened 20MnCr5 steel (58–62 HRC core, 850HV surface)
-
Gear Match: Mated to planetary carrier with 0.02–0.05mm backlash tolerance
-
Critical Functions:
-
Transmits 320Nm in 2nd/4th/6th gears
-
Oil passages for clutch cooling (flow rate: 4–6 L/min)
-
-
Failure Modes:
-
Spline fretting (if backlash exceeds 0.1mm)
-
Lubrication starvation marks at >120°C
-
Note: Updated from 8HP45 with 15% wider spline base for 6000+ shift cycles. Requires ZF-approved friction modifier additives.
Product Details
Highlight:
Audi E type clutch hub assembly
,ZF 8HP55A transmission gears
,38 spline clutch hub
Year：:
2010-2017
MODEL：:
8HP-55A;0BK
SIZE::
15X15X15CM
Brand：:
AUDI
Item Weight::
3kg
ＯＥＮＯ:
1087471023
Applicable Brand::
2016-2018 RS6 2014-2018 RS7 2013-2017 S8
Mrs. Kinny
Foreign trade Manager
- Email: admin@transmesun.com
- Tel: +8618665691829
- WhatsApp: 8618665691829
-
WeChat:
+8618665691829
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