Yimi (Guangzhou) Automotive Parts Co, Ltd
| Payment Terms | T/T |
| Material | Hardened Forged Steel |
| Delivery Time | 5-8 Work Days |
| OEM Part Number | 1-51381025-0 / 1513810250 |
| Packaging Details | Neutral Package or as customers’ request |
| Cross-Reference Part | 1-51381022-0 / 1513810220 / 1-51381022-3 / 1513810223 |
| Supply Ability | 10000 pcs/month |
| Machining Process | Precision Drilling |
| Size | 97 mm |
| Engine Compatibility | 6WF1 / 10PE1 |
| Model Number | CXK CXZ |
| Certification | ISO/TS16949 |
| Brand Name | YIMI |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | T/T | Material | Hardened Forged Steel |
| Delivery Time | 5-8 Work Days | OEM Part Number | 1-51381025-0 / 1513810250 |
| Packaging Details | Neutral Package or as customers’ request | Cross-Reference Part | 1-51381022-0 / 1513810220 / 1-51381022-3 / 1513810223 |
| Supply Ability | 10000 pcs/month | Machining Process | Precision Drilling |
| Size | 97 mm | Engine Compatibility | 6WF1 / 10PE1 |
| Model Number | CXK CXZ | Certification | ISO/TS16949 |
| Brand Name | YIMI | Place of Origin | CHINA |
| High Light | Hardened Forged Steel Trunnion Shaft ，Precision Drilling Balance Shaft ，97 mm Rear Suspension Trunnion Shaft | ||
The Rear Suspension Trunnion Shaft with OEM numbers 1-51381025-0 and 1513810250 is a verified direct-fit replacement for ISUZU CXK / CXZ / CXZ51K / CYZ51 / CYZ51K heavy-duty trucks equipped with 6WF1 / 10PE1 diesel engines. This trunnion shaft is the core load-bearing and pivoting component of the rear suspension system, connecting the rear suspension swing arm to the chassis frame while allowing the arm to pivot about the shaft axis under heavy loads and challenging road conditions.
The rear suspension trunnion shaft is a critical pivot element in the rear suspension system of heavy-duty trucks. It is mounted in the trunnion shaft bracket on the chassis frame and connects to the suspension swing arm through a bronze bushing. When the vehicle travels over uneven road surfaces, the suspension swing arm pivots about the trunnion shaft axis, absorbing road impacts and maintaining tire contact with the ground. The shaft must simultaneously withstand vertical loads (vehicle and cargo weight), torsional moments, and lateral forces.
The 6WF1 is a 14.3L inline-six turbo-diesel engine producing 330–370 PS, used from 1999 to 2007. The 10PE1 is a 15.7L inline-six diesel engine. The trunnion shaft is manufactured from hardened forged steel with precision drilling to ensure excellent strength, wear resistance, and dimensional stability under high-load conditions.
Replace the trunnion shaft when any of these symptoms appear:
| Verification Item | Data / Standard | Source / Method |
|---|---|---|
| Part Number (Short) | 1-51381025-0 | Product page; OKISUZU |
| Part Number (Long) | 1513810250 | Trucksparesparts.com; Isuzu-truckspares |
| Official Part Name | SHAFT; TRUNNION, RR SUSP | ISUZU parts catalog |
| English Part Name | Rear Suspension Trunnion Shaft | Ecer.com; Autopart Masters |
| Other Name | Balance Shaft | Isuzu-autoparts.com |
| Vehicle Models | ISUZU CXK / CXZ / CXZ51K / CYZ51 / CYZ51K / CXZ81K / FVZ | Autopart Masters; Trucksparesparts.com |
| Engine Compatibility | 6WF1 / 10PE1 | Ecer.com; Trucksparesparts.com |
| Size | 97 mm | Product page |
| Material | Steel (Hardened Forged Steel) | Product page; Isuzu-autoparts.com |
| Machining Process | Precision Drilling | Isuzu-autoparts.com |
| Cross-Reference Part | 1-51381022-0 / 1513810220 | Ecer.com |
| Cross-Reference Part | 1-51381022-3 / 1513810223 | Trucksparesparts.com |
| Brand | HUSUZO / THT | Trucksparesparts.com |
| Certification | ISO9001 / TS16949 | Trucksparesparts.com |
| Warranty | 12 Months | Trucksparesparts.com |
| Part Number | 1-51381025-0 | Product Name | Rear Suspension Trunnion Shaft |
| Car Model | CXK CXZ | Engine Model | CXK CXZ |
| Condition | 100% Brand New | Size | Standard |
| Weight | Standard | Origin | China Mainland |
| Main Market | Middle East, Asia, Africa, South America, North America & Europe | Package | Neutral Packing Or Make It As Requested |
| Material | High-strength aluminum alloy & precision bearings | Cooling Type | Engine coolant circulation |
| Installation | Direct OEM replacement | Quality Standard | OEM equivalent / ISO quality control |
| Brand | Model | Chassis | Engine | Years |
|---|---|---|---|---|
| ISUZU | GIGA | CXZ81K | 10PE1 | 1994–2000 |
| ISUZU | GIGA | CXZ51K | 6WF1 | 2000–2008 |
| ISUZU | GIGA | CYZ51K | 6WF1-T | 2000–2008 |
| ISUZU | GIGA | CXZ51K | 6WF1 | 2000–2008 |
| ISUZU | GIGA | CYZ51K | 6WF1 | 2000–2008 |
| ISUZU | GIGA | CXZ81K | 10PE1 | 1994–2000 |
| ISUZU | GIGA | CXK | 6WF1 | 2000–2008 |
| ISUZU | GIGA | CXZ | 6WF1 | 2000–2008 |
| ISUZU | GIGA | CYZ51 | 6WF1 | 2000–2008 |
| ISUZU | GIGA | FVZ | 6WF1 | 2000–2008 |
| Engine Model | Displacement | Power Output | Production Period | Common Applications |
|---|---|---|---|---|
| 6WF1 | 14.256L | 330–370 PS | 1999–2007 | CXZ51K, CYZ51K, CXK, CXZ, CYZ51, FVZ |
| 10PE1 | 15.7L | ≈ 350 PS | 1994–2000 | CXZ81K |
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