Brand New U440 Automatic Transmission OE S04035 Complete Gearbox Assembly For

1.Product Overview

This is brand‑new U440 4‑speed automatic transmission assembly with OE reference number S04035, original factory new unit specially developed for Changan FWD passenger cars of 1.5L and 1.6L displacement. This listing targets overseas auto‑parts importers and bulk distributors. The complete assembly covers housing, internal gear components, clutch packs, valve body, solenoid assembly, torque converter and all corresponding electrical connectors. Every finished unit undergoes strict factory bench test before leaving workshop. It serves as direct OE replacement unit for original failed gearbox, suitable for stocking in overseas auto‑parts warehouse for resale to local repair shops. Zero reconditioning work, all internal spare parts are brand‑new factory stock.

2.Fitment & Parameter Table

Important note: Vehicle VIN code is highly recommended to double‑check compatibility. Even same car model may equip different gearbox variant, OE number S04035 is the core reference standard.

3.Inspection & Testing Standard

Our brand‑new U440 transmission adopts multi‑level finished‑product inspection flow. First‑stage incoming material inspection for casting housing, solenoid valves, friction components to guarantee all raw parts are qualified brand‑new accessories. After assembly finished, visual inspection checks housing crack, thread integrity, sealing face condition and connector status. Afterwards dyno bench test simulates real‑world driving condition, test forward 1‑4 gear and reverse gear shifting performance, monitor line pressure, lock‑up function of torque converter, oil sealing performance, electrical signal feedback. Units with unstable pressure, shifting delay or oil leakage will be eliminated. Test records are archived for each unit.

4.Core Competitive Advantages

1. Pure brand‑new factory assembly, zero‑mileage, no used core parts inside, long service life for aftermarket replacement business.
2. Full set pre‑assembled unit including torque converter, convenient for importers’ warehouse stocking and secondary sales.
3. Full‑set bench‑tested before export, reduce defective rate for overseas bulk purchase.
4. Strict OE S04035 standard, high interchangeability for original Changan 1.5L 1.6L FWD gearbox.
5. Professional export service: provide commercial invoice, packing list for customs clearance, flexible trade terms, support large‑volume bulk wholesale orders.

5.Professional Installation Guidance

1. Pre‑sales verification: match vehicle VIN, original gearbox OE number, displacement and drive mode to confirm U440 S04035 is correct replacement unit.
2. Mandatory oil‑cooler flushing: completely clean vehicle transmission oil cooler and oil pipeline to remove metal particles left by old broken gearbox.
3. Adopt manufacturer‑specified ATF fluid with correct filling volume, install brand‑new transmission oil filter.
4. Secure all mounting bolts, oil pipe joints and electrical connectors, avoid loose connection.
5. After physical installation, run adaptive learning via professional automotive diagnostic scanner, conduct static test first then road test.
6. Suggest assigning experienced transmission repair technician for installation. Wrong installation operation will trigger shifting failure and cannot be counted as product quality problem.

6.Packaging & Transportation

Every single U440 transmission is wrapped by anti‑rust membrane, shock‑proof foam protects fragile connectors and housing edges. Packed inside IPPC certified fumigated wooden crate, inner steel belt fixation prevents unit moving during long‑sea transit. Outer case marks product model, OE number, gross weight and dimension for customs checking. We support FOB, CIF, DDP and other international trade solutions. Small batch can be LCL consolidation, large quantity can load full container. All export documents can be provided according to customer’s customs requirement.

7.Factory Strength Introduction

We are a comprehensive automatic transmission factory integrating R&D, assembly and export business. We equip high‑precision assembly workstation and multiple professional transmission dyno‑bench test devices. We supply brand‑new, remanufactured and used gearbox assemblies for worldwide aftermarket clients, covering Asia, Africa, South America and Middle‑east market. We cooperate with numbers of overseas auto‑parts importers and regional distributors. Our internal quality control system covers raw‑material incoming check, assembly process monitoring and finished‑product testing. We can arrange stable delivery cycle for bulk wholesale orders.

8.FAQ

Q1: Can you provide custom commercial invoice value for our local customs clearance?

A: We can make out commercial invoice and packing list according to your requirement within legal scope. Please tell us your detailed requirement before shipment, we will prepare corresponding export documents for you. All documents will match the actual shipped goods.

Q2: What is your MOQ for brand new U440 automatic transmission?

A: For wholesale business, our minimum order quantity is 1 unit for trial order. If you place bulk order with more than 10 units, we will offer more favorable wholesale unit price. The delivery lead time will be adjusted according to your purchasing quantity. Feel free to send your purchasing plan to get formal quotation.

Q3: What if I receive wooden package with external damage?

A: Please take full‑set photos for outer package and product appearance before unpacking once goods arrive. If transport‑caused damage exists, submit photos to local freight forwarder for claim meanwhile contact our sales team. We will assist you to handle follow‑up procedure. Please do not disassemble gearbox before finishing damage confirmation.