Shandong Shengyue Technology Development Co.,Ltd is one of the most professional sinotruk howo t5g、tx transmission hw25712x rear housing az2220100018 manufacturers and suppliers in China. Please feel free to buy high quality genuine auto parts at competitive price from our factory.
SINOTRUK HOWO T5G,TX Transmission HW25712X Rear Housing AZ2220100018
Manufactured via a single-piece gravity casting process using high-strength ductile iron or premium gray cast iron alloy, the component offers excellent tensile strength and vibration-damping properties; it is specifically designed to withstand the immense reverse torque shocks generated within the auxiliary gearbox when the vehicle climbs slopes or starts under heavy load.
Rear Housing, Sealing & Fastening System [Core Replacement BOM Breakdown]
| No. | Official OEM Part / Drawing No. | Part Name (EN) | Std. Qty | Repair Function & Purpose |
|---|---|---|---|---|
| 1 | AZ2220100018 | Transmission Rear Housing (Helical Use) | 1 pc | The core replacement item for this overhaul; the primary load-bearing housing for the auxiliary section and output shaft. |
| 2 | WG9003070800 | Fluororubber O-Ring | 2 pcs | Special ring for housing mating surfaces; prevents high-pressure transmission oil from bypassing the rear section. |
| 3 | WG2229100041 | Rear Cover Paper Gasket | 1 pc | Coordinates with the output shaft rear cover to provide a reliable static face seal. |
| 4 | WG2222100023 | Output Shaft Rear Cover Assembly | 1 pc | Houses dual oil seals; prevents gear oil from leaking out while blocking external mud and water. |
| 5 | WG9000361423 (Ref.) | Double-Lip Skeleton Oil Seal | 2 pcs | Pressed into the rear cover, acting directly on the output shaft flange to eliminate oil throwing. |
| 6 | AZ2229100075 | Oil Return Hole Cover Plate | 1 pc | Seals the oil return inspection hole at the lower section of the rear housing. |
| 7 | Q1421035 (Ref.) | Hex Bolt & Spring Washer Assembly | 1 set | M10×35 spec; used to clamp the rear housing to the main case (replacement highly recommended). |
Range Shift & Synchronizer Components (Resolving Gear Slipping, Neutral Binding, or Difficult Engagement)
| No. | Official OEM Part / Drawing No. | Part Name (EN) | Std. Qty | Repair Function & Purpose |
|---|---|---|---|---|
| 10 | AZ2210100018 | Auxiliary Synchronizer Assembly (Helical) | 1 set | Controls high/low (range) gear shifting. Helical-specific; worn friction cones lead to gear clashing. |
| 11 | WG2214110001 | Range Cylinder Assembly | 1 pc | Fixed atop the rear housing; utilizes pneumatic pressure to actuate the shift fork for high/low range transitions. |
| 12 | AZ2229100028 | Auxiliary Shift Fork | 1 pc | Drives the synchronizer sliding sleeve; any wear or warping will cause incomplete gear engagement. |
| 13 | WG2210100020 | Speedometer Induction Gear Ring | 1 pc | Press-fitted onto the output shaft; provides vehicle speed signals to the odometer sensor mounted on the rear housing. |
DETAILS
| DESCRIPTION | Transmission Rear Housing | PART NUMBER | AZ2220100018 |
| WEIGHT | 30kg | VOLUME | 550 mm × 370 mm × 103 mm |
| TRUCK MOLDE | SINOTRUK | QUALITY | Copy,High Copy, OEM,Original |
| MOQ | 1 | WARRANTY | 1 year |
| PAYMENT | TT/WESTEN UNION | SHIPMENT | by air/sea/railway |
| BRAND | SINOSACHS | PLACE OF ORIGIN | JINAN CITY,CHINA |
| STOCK | IN STOCK | APPLICABLE SITE | GEARBOX |
| PACKAGE | Carton/Woodenbox | PORT OF LANDING | Qingdao Port,China |
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