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Details Images
Product Overview
This premium AL4 / DPO Transmission Clutch Piston Kit is a high-precision hydraulic sealing solution engineered specifically for PSA Peugeot Citroën and Renault 4-speed automatic gearboxes. In AL4/DPO transverse transmissions, vulcanized rubber-moulded pistons play a crucial role in maintaining oil-tight seals inside internal clutch drums (E1, E2) and brake balance units during dynamic gear actuation. Over extended service miles and severe heat exposure, factory rubber sealing lips harden, crack, shrink, or detach from their steel backings. This results in severe hydraulic line pressure loss, leading to acceleration slippage, harsh engagement thuds, delayed D or R response, clutch burning, and limp-home mode fault codes. Manufactured using high-temperature Fluororubber (FKM) vulcanized to high-tensile steel cores, this TRANSWIN AL4 DPO piston kit restores 100% pressure containment and factory-spec shift quality.
Product Specifications
- Transmission Model: AL4 / DPO (4-Speed Automatic Transverse Gearbox)
- Product Name: Automatic Transmission Clutch Moulded Bonded Rubber Piston Kit
- Material Construction: Premium High-Temp Fluororubber (FKM/Viton) Vulcanized to Precision Stamped Steel Base Shells
- Condition: Aftermarket 100% Brand New (Manufactured strictly to OEM dimensional and hydraulic resistance standards)
- Quality Standard: 100% Pressure leak-tested under high hydraulic pressure simulations to guarantee zero fluid blow-by.
Vehicle Application & Compatibility
Compatible with AL4 and DPO 4-speed automatic transmissions widely used in French and global passenger vehicles:
- Peugeot: 206, 207, 307, 308, 406, 407, 408, 807, Partner (1.6L, 2.0L)
- Citroën: C2, C3, C4, C5, Xsara, Picasso, Berlingo (1.6L, 2.0L)
- Renault (DPO variants): Clio, Megane, Scenic, Laguna, Symbol, Kangoo (1.6L, 2.0L)
- Fiat / Lancia: Ulysse, Zeta (1.6L, 2.0L)
- Note: Please verify your specific gearbox model designation or cross-reference piston lip diameters with our B2B technical team prior to placing bulk orders.
Key Features & Advantages
- High-Temperature Vulcanized Rubber: Engineered with upgraded FKM elastomer compounds that maintain elastic sealing resilience without hardening under high fluid temperatures.
- Seamless Bonded Interface: Precision bonding technology prevents rubber sealing lip separation from steel cores during extreme pressure spikes.
- Restores Full Line Pressure: Seals off internal hydraulic bypasses, completely eliminating gear flare, slipping, and clutch dragging.
- Complete Rebuild Pack: Pre-sorted into exact piston counts required for clutch drum servicing, saving technician labor and inventory sourcing time.
Why Choose TRANSWIN?
As a professional global supplier of automatic transmission parts, TRANSWIN is dedicated to delivering industry-leading reliability and performance. When you partner with us, you benefit from:
- Premium OEM Quality: All TRANSWIN parts are manufactured using high-grade materials and undergo 100% rigid testing to ensure precise fitment and prolonged service life.
- Factory-Direct Pricing: We offer highly competitive wholesale pricing to maximize profit margins for transmission repair shops, distributors, and parts importers worldwide.
- Extensive Inventory & Fast Shipping: Our robust supply chain ensures reliable stock availability and prompt, efficient global shipping to keep your business moving.
- Professional B2B Support: Backed by transmission experts, TRANSWIN provides comprehensive technical assistance and reliable after-sales service for hassle-free purchasing.
Details Images
Product Overview
This premium AL4 / DPO Transmission Clutch Piston Kit is a high-precision hydraulic sealing solution engineered specifically for PSA Peugeot Citroën and Renault 4-speed automatic gearboxes. In AL4/DPO transverse transmissions, vulcanized rubber-moulded pistons play a crucial role in maintaining oil-tight seals inside internal clutch drums (E1, E2) and brake balance units during dynamic gear actuation. Over extended service miles and severe heat exposure, factory rubber sealing lips harden, crack, shrink, or detach from their steel backings. This results in severe hydraulic line pressure loss, leading to acceleration slippage, harsh engagement thuds, delayed D or R response, clutch burning, and limp-home mode fault codes. Manufactured using high-temperature Fluororubber (FKM) vulcanized to high-tensile steel cores, this TRANSWIN AL4 DPO piston kit restores 100% pressure containment and factory-spec shift quality.
Product Specifications
- Transmission Model: AL4 / DPO (4-Speed Automatic Transverse Gearbox)
- Product Name: Automatic Transmission Clutch Moulded Bonded Rubber Piston Kit
- Material Construction: Premium High-Temp Fluororubber (FKM/Viton) Vulcanized to Precision Stamped Steel Base Shells
- Condition: Aftermarket 100% Brand New (Manufactured strictly to OEM dimensional and hydraulic resistance standards)
- Quality Standard: 100% Pressure leak-tested under high hydraulic pressure simulations to guarantee zero fluid blow-by.
Vehicle Application & Compatibility
Compatible with AL4 and DPO 4-speed automatic transmissions widely used in French and global passenger vehicles:
- Peugeot: 206, 207, 307, 308, 406, 407, 408, 807, Partner (1.6L, 2.0L)
- Citroën: C2, C3, C4, C5, Xsara, Picasso, Berlingo (1.6L, 2.0L)
- Renault (DPO variants): Clio, Megane, Scenic, Laguna, Symbol, Kangoo (1.6L, 2.0L)
- Fiat / Lancia: Ulysse, Zeta (1.6L, 2.0L)
- Note: Please verify your specific gearbox model designation or cross-reference piston lip diameters with our B2B technical team prior to placing bulk orders.
Key Features & Advantages
- High-Temperature Vulcanized Rubber: Engineered with upgraded FKM elastomer compounds that maintain elastic sealing resilience without hardening under high fluid temperatures.
- Seamless Bonded Interface: Precision bonding technology prevents rubber sealing lip separation from steel cores during extreme pressure spikes.
- Restores Full Line Pressure: Seals off internal hydraulic bypasses, completely eliminating gear flare, slipping, and clutch dragging.
- Complete Rebuild Pack: Pre-sorted into exact piston counts required for clutch drum servicing, saving technician labor and inventory sourcing time.
Why Choose TRANSWIN?
As a professional global supplier of automatic transmission parts, TRANSWIN is dedicated to delivering industry-leading reliability and performance. When you partner with us, you benefit from:
- Premium OEM Quality: All TRANSWIN parts are manufactured using high-grade materials and undergo 100% rigid testing to ensure precise fitment and prolonged service life.
- Factory-Direct Pricing: We offer highly competitive wholesale pricing to maximize profit margins for transmission repair shops, distributors, and parts importers worldwide.
- Extensive Inventory & Fast Shipping: Our robust supply chain ensures reliable stock availability and prompt, efficient global shipping to keep your business moving.
- Professional B2B Support: Backed by transmission experts, TRANSWIN provides comprehensive technical assistance and reliable after-sales service for hassle-free purchasing.
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