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Vehicle Info NeededSONNAXPART NUMBER: 852-77700-01K
Alto Extra Wide Intermediate Band 4L60, 4L60-E, 4L65-E, 4L70-E
$5243
Ships on 09/10/2026
Lowest Price GuaranteeGM
Alto Extra Wide Intermediate Band4L60, 4L60-E, 4L65-E, 4L70-E Kevlar Material
Kevlar® Material
Ideal for 4x4, heavy duty and commercial use, Sonnax Alto extra wide intermediate band 77700-01K is 15% wider (.34") than the OE band and provides 15% more holding capacity. The band's Kevlar® lining is designed to deliver very positive engagement suitable for high performance racing applications. The band also features a 60% thicker case anchor, reducing the chance of band failure under severe conditions. The Sonnax band is a drop-in replacement part, with no modifications to the drum required.
Kevlar® Material
Ideal for 4x4, heavy duty and commercial use, Sonnax Alto extra wide intermediate band 77700-01K is 15% wider (.34") than the OE band and provides 15% more holding capacity. The band's Kevlar® lining is designed to deliver very positive engagement suitable for high performance racing applications. The band also features a 60% thicker case anchor, reducing the chance of band failure under severe conditions. The Sonnax band is a drop-in replacement part, with no modifications to the drum required.
- Kevlar-lined band is ideal for high performance racing applications, 4x4, heavy duty and commercial use
- 15% More holding capacity
- 60% Thicker case anchor design reduces band failure
Part TypeAutomatic Transmission Band
BrandSONNAX
Package Height3.7
Package Width8.0
Package Length8.5
Weight1.0 PG
Part CategoryReplacement Parts
Vendor Part Number77700-01K
Package Qty1
Package TypeEA
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