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Genuine Caterpillar 5N-8390 Pump Seal & Vane Repair Kit. Factory quality assurance, serial-number fitment verification, and fast export dispatch.
Verified Prior to Quotation. Fitment and configuration are cross-checked against your equipment serial number.
Technical Overview
Genuine engine oil seal 5N-8390. Low-friction PTFE/Viton sealing lip resists high shaft surface speeds and crank journal runout to prevent lube oil leaks.
Supply Assurance
We verify fitment by engine nameplate and serial number, with pre-shipment photos of original packaging.
Direct dispatch from our Chongqing hub for industrial fleets, power plants, and service centers.
Unit price, completeness, export crating, and lead time are confirmed before invoicing.
Technical Data
Reference parameters for engineering selection; exact arrangement details are confirmed prior to shipment. Manufacturer names and part numbers are used for identification reference only.
| Part Number | 5N-8390 |
|---|---|
| Cross-Reference / Alternate Numbers | 5N8390, CA5N8390 |
| Brand | CAT (Caterpillar) |
| Category | Gasket Kit&Seals |
| Part Name | Caterpillar Pump Seal & Vane Repair Kit |
| Dimensions | 115 × 140 × 14 mm |
| Unit Weight | 0.28 kg |
| Material / Construction | PTFE (Teflon) / Viton fluoroelastomer lip with unitized steel wear sleeve |
| Installation Location | Rear Flywheel Housing Crankshaft / Engine Seal |
| Lip Geometry | Bi-Directional Hydrodynamic Helix Oil Return Grooves |
| Assembly Format | Unitized Cassette Seal with Installation Sleeve |
| Compatible Models | CAT C7, CAT C7.1 ACERT, CAT C9, CAT C9.3, CAT 320D, CAT 325D, CAT 329D, CAT 330D |
| Application / Fitment | For C32 3516B 3516C 3412 D349 D398B 3512 3412E 3516 3512B 3512C 3508 D398 D399 C32B D379 D379B Engine |
Engineering Advantage
Fitment is verified against your engine model and serial number (S/N) via CAT SIS and Perkins SPI part number lookup before quotation.
Direct supersession and cross-reference lookup: send your old or alternate part number and we will confirm the latest replacement.
100% genuine original factory components in original packaging, verified by pre-shipment warehouse photos and videos.
Part numbers, laser markings, original packaging, and completeness are inspected at our warehouse prior to dispatch.
Reliable stock availability in Chongqing with fixed lead times and export-grade protective packaging.
Fitment & Cross-Reference
Compatible Engines & Equipment Models
Logistics & Packaging
Quantity, export packaging, gross weight, and dispatch lead time are confirmed in your formal quotation.
Before You Order
Provide your engine model, engine serial number (S/N), and part number. Before issuing a formal quotation, our engineers cross-check fitment against Caterpillar SIS, Perkins SPI, or FG Wilson part number cross-reference systems.
Yes. MSDD Engine exclusively supplies 100% genuine original parts in factory-sealed packaging. Before shipment, we provide warehouse photos of original packaging, part markings, and security labels.
Request a Quotation
Check Price & Fitment — share your requirements below and our engineers will verify fitment and stock availability.
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