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TRANSWIN 55-51SN Automatic Transmission System Component for Volvo Nissan MG BAIC Gearbox
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TRANSWIN 55-51SN Automatic Transmission System Component for Volvo Nissan MG BAIC Gearbox
点击右上角
分享给朋友吧
Details Images
TRANSWIN 55-51SN Automatic Transmission System Component for Volvo Nissan MG BAIC Gearbox
Product Description / Overview:
Restore peak shifting efficiency and secure total hydraulic control with the premium TRANSWIN Original Manufacturer Quality 55-51SN Automatic Transmission System Component. As an exceptionally versatile 5-speed automatic transaxle architecture utilized globally, the 55-51SN (also known as the AW55-51SN / AW55-50SN series) relies on highly synchronized pressure flow networks and tight mechanical hard part tolerances. Over high mileages, these systems frequently suffer from linear solenoid fatigue, case bore wear, and clutch fleet slipping, resulting in harsh 2-3 garage shifts, torque converter clutch (TCC) shudder, or severe shift flares when warm. Engineered to strict original manufacturer specifications, this comprehensive transmission system module uses premium-grade metallurgy and precision-machined oil channels to deliver factory-level line pressure retention and smooth gear progression.
Key Product Features:
- Original Manufacturer Tolerances: Every hard part and hydraulic pathway is engineered using micro-metric gauge tooling to precisely match OEM friction profiles and fluid displacement rates.
- Enhanced Thermal Dissipation Casting: Built with a high-density aluminum alloy body structure designed to better resist continuous heat soaking, reducing fluid thinning and preventing internal valve bore scuffing.
- Multi-Brand Fleet Calibration: Internally optimized to handle various PCM/TCM shift maps, providing seamless drop-in adaptation across European luxury sedans, Asian compacts, and domestic commercial applications.
Product Specifications
Parameter Item | Details & Specifications |
Brand Name | TRANSWIN |
Product Name | 55-51SN / 55-50SN Automatic Transmission System Component / Hard Parts |
Transmission Models | 55-51SN / 55-50SN (Aisin 5-Speed Automatic Transaxle Series) |
Quality Standard | Original Manufacturer Quality Grade / 100% Bench Function Verified |
Material Composition | High-Tensile Forged Steel, Friction-Resistant Bronze Alloys & Cast Aluminum |
Functional Solution | Eliminates 2-3 Shift Flares, Cures TCC Shudder, Cures Delayed Forward/Reverse Slam |
Vehicle Applications | Volvo (XC90/S60), Nissan (Maxima), MG (名爵 Series), BAIC (北汽 Senova Series) |
Category | Automatic Transmission Hard Parts / Complete Hydraulics & Gear Systems |
Multi-Brand Vehicle Application Matrix
This original quality 55-51SN / 55-50SN transmission hard part system features comprehensive cross-compatibility across highly diverse global automotive fleets:
- Volvo Series: Essential replacement for popular European models (including Volvo S40, S60, V70, XC70, and XC90) running the 5-speed AW platform.
- Nissan Series: Fits mid-to-large passenger platforms (such as the Nissan Maxima, Altima, and Quest) equipped with the 5-speed automatic layout.
- MG (Morris Garages) Cars: Direct-fit application for various MG sedan variants operating modern global automatic configurations.
- BAIC (Beijing Automotive): Fully compatible with BAIC passenger vehicle fleets (such as the Senova series) leveraging the durable 55-51SN drivetrain architecture.
Why Choose TRANSWIN?
- 100% Dynamic Quality Profiling: We run specialized rotational spin-tests and fluid leak profiling on all components to ensure they drop into your transmission case with zero modifications.
- The Power of transmissionparts.com.cn: As a dedicated cross-border B2B supply hub, we optimize large-volume parts bundling—allowing you to easily combine 55-51SN gear components with overhaul gasket kits and friction packs.
- Heavy-Duty Maritime Export Packaging: Coated in a professional anti-rust fluid film, sealed in a heavy-duty vapor-barrier shield bag, and packed inside reinforced, impact-absorbing double-wall boxes to handle long ocean cargo transit times.
⚠️ Rebuilder Technical Insight:
The Aisin 55-50SN / 55-51SN transmission family is highly sensitive to fluid temperature and contamination. The linear solenoids (SLS, SLT, SLS) inside the valve body frequently stick due to fine metallic clutch debris. When upgrading your transmission system with this new TRANSWIN 55-51SN hard part module, you MUST completely flush the torque converter and replace the external transmission fluid cooler. Re-using a contaminated cooler or filling the unit with generic oil instead of high-grade, Mobil 3309 / JWS 3309 specified fluid will instantly compromise the shifting quality and trigger premature valve wear.
Details Images
TRANSWIN 55-51SN Automatic Transmission System Component for Volvo Nissan MG BAIC Gearbox
Product Description / Overview:
Restore peak shifting efficiency and secure total hydraulic control with the premium TRANSWIN Original Manufacturer Quality 55-51SN Automatic Transmission System Component. As an exceptionally versatile 5-speed automatic transaxle architecture utilized globally, the 55-51SN (also known as the AW55-51SN / AW55-50SN series) relies on highly synchronized pressure flow networks and tight mechanical hard part tolerances. Over high mileages, these systems frequently suffer from linear solenoid fatigue, case bore wear, and clutch fleet slipping, resulting in harsh 2-3 garage shifts, torque converter clutch (TCC) shudder, or severe shift flares when warm. Engineered to strict original manufacturer specifications, this comprehensive transmission system module uses premium-grade metallurgy and precision-machined oil channels to deliver factory-level line pressure retention and smooth gear progression.
Key Product Features:
- Original Manufacturer Tolerances: Every hard part and hydraulic pathway is engineered using micro-metric gauge tooling to precisely match OEM friction profiles and fluid displacement rates.
- Enhanced Thermal Dissipation Casting: Built with a high-density aluminum alloy body structure designed to better resist continuous heat soaking, reducing fluid thinning and preventing internal valve bore scuffing.
- Multi-Brand Fleet Calibration: Internally optimized to handle various PCM/TCM shift maps, providing seamless drop-in adaptation across European luxury sedans, Asian compacts, and domestic commercial applications.
Product Specifications
Parameter Item | Details & Specifications |
Brand Name | TRANSWIN |
Product Name | 55-51SN / 55-50SN Automatic Transmission System Component / Hard Parts |
Transmission Models | 55-51SN / 55-50SN (Aisin 5-Speed Automatic Transaxle Series) |
Quality Standard | Original Manufacturer Quality Grade / 100% Bench Function Verified |
Material Composition | High-Tensile Forged Steel, Friction-Resistant Bronze Alloys & Cast Aluminum |
Functional Solution | Eliminates 2-3 Shift Flares, Cures TCC Shudder, Cures Delayed Forward/Reverse Slam |
Vehicle Applications | Volvo (XC90/S60), Nissan (Maxima), MG (名爵 Series), BAIC (北汽 Senova Series) |
Category | Automatic Transmission Hard Parts / Complete Hydraulics & Gear Systems |
Multi-Brand Vehicle Application Matrix
This original quality 55-51SN / 55-50SN transmission hard part system features comprehensive cross-compatibility across highly diverse global automotive fleets:
- Volvo Series: Essential replacement for popular European models (including Volvo S40, S60, V70, XC70, and XC90) running the 5-speed AW platform.
- Nissan Series: Fits mid-to-large passenger platforms (such as the Nissan Maxima, Altima, and Quest) equipped with the 5-speed automatic layout.
- MG (Morris Garages) Cars: Direct-fit application for various MG sedan variants operating modern global automatic configurations.
- BAIC (Beijing Automotive): Fully compatible with BAIC passenger vehicle fleets (such as the Senova series) leveraging the durable 55-51SN drivetrain architecture.
Why Choose TRANSWIN?
- 100% Dynamic Quality Profiling: We run specialized rotational spin-tests and fluid leak profiling on all components to ensure they drop into your transmission case with zero modifications.
- The Power of transmissionparts.com.cn: As a dedicated cross-border B2B supply hub, we optimize large-volume parts bundling—allowing you to easily combine 55-51SN gear components with overhaul gasket kits and friction packs.
- Heavy-Duty Maritime Export Packaging: Coated in a professional anti-rust fluid film, sealed in a heavy-duty vapor-barrier shield bag, and packed inside reinforced, impact-absorbing double-wall boxes to handle long ocean cargo transit times.
⚠️ Rebuilder Technical Insight:
The Aisin 55-50SN / 55-51SN transmission family is highly sensitive to fluid temperature and contamination. The linear solenoids (SLS, SLT, SLS) inside the valve body frequently stick due to fine metallic clutch debris. When upgrading your transmission system with this new TRANSWIN 55-51SN hard part module, you MUST completely flush the torque converter and replace the external transmission fluid cooler. Re-using a contaminated cooler or filling the unit with generic oil instead of high-grade, Mobil 3309 / JWS 3309 specified fluid will instantly compromise the shifting quality and trigger premature valve wear.
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