Reliable Engine Components for Maintenance, Overhaul, and Heavy-Duty Performance.
Finding the right AP4346B engine thrust washer is critical for maintaining the structural integrity of your crankshaft assembly. Whether you are performing a routine inspection or a complete engine overhaul for a Perkins 404D-22 or 403D-15, our replacement parts meet or exceed OEM specifications to ensure long-term durability and heat resistance.
| Detail Field | Specifications & Info |
|---|---|
| Part Number | AP4346B (Alternate: AP4346 B) |
| Model NO. | Perkins 404D-22, 403D-15, 404C-22 Series |
| Product Name | Engine Thrust Washer / Crankshaft Thrust Plate |
| Type | Diesel Engine Internal Components |
| Condition | Brand New, OEM Standard Replacement |
| Application | Engine rebuild, overhaul, maintenance, and heavy machinery repair |
| MOQ | 1 Piece |
| Stock Status | In Stock / Fast Dispatch Available |
| Packaging | Industrial Export Packing (Protective) |
| Payment Terms | T/T, Western Union, MoneyGram |
| Delivery Methods | DHL, Fedex, EMS, UPS, Air Cargo, or Sea Freight |
| Core Procurement Points | Our OEM-Standard Replacement | Market Generic Parts |
|---|---|---|
| 1. Material Composition | High-strength Tri-metal alloy | Standard aluminum or low-grade steel |
| 2. Precision Fit | 100% matched to Perkins 404D-22 specs | Loose tolerances, risk of vibration |
| 3. Heat Resistance | Enhanced thermal dissipation coating | Rapid wear under high temperature |
| 4. Lifespan | Extended service hours for heavy fleets | Short interval between replacements |
| 5. Quality Assurance | Strict factory testing before shipping | No consistent quality control |
| 6. Availability | Ready stock for immediate global air shipping | Long lead times or dropshipping delays |
Not sure how this issue affects your equipment? Our technical team helps operators manage their fleets more effectively:
Identify potential risks during maintenance of Perkins engines.
Recommend suitable replacement parts if needed based on serial numbers.
Support both inspection advice and parts supply for global construction companies.
Why Choose This Product Name?
Answer: Our AP4346B features an OEM-standard tri-metal structure and is trusted by repair shops and equipment fleets worldwide for its reliability in harsh environments.
Q: What are the common symptoms of a worn AP4346B thrust washer in a 404D-22 engine?
A: Excessive crankshaft end play is the primary sign. You might notice unusual engine noise during load changes or oil pressure fluctuations. Replacing with a new AP4346B during overhaul prevents catastrophic crankshaft failure.
Q: Can I use this part for the 403D-15 model as well?
A: Yes, the AP4346B is designed for the Perkins 400 series, including the 403D and 404D ranges. Always verify your engine serial number for 100% compatibility.
Q: How quickly can you ship the AP4346B to North America?
A: We use Express DHL/Fedex. Usually, dispatch occurs within 24 hours of payment, with arrival in 3-5 business days.
Fill out the form below to receive pricing and availability for AP4346B and related engine rebuild components.
About Our Professional Engine Solutions:
We specialize in full engine assemblies and high-precision spare parts for leading brands including Cummins, Komatsu, Caterpillar, Isuzu, Kubota, Yanmar, and Weichai. Our core inventory includes essential components such as cylinder liners, pistons, piston rings, crankshaft bearings, connecting rod bearings, thrust washers, full overhaul gasket kits, diesel fuel injection pumps, injectors, crankshafts, turbochargers, water pumps, oil pumps, cylinder blocks, cylinder heads, and connecting rods.
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