Guangzhou Pinxin Engine Co., Ltd.
| Part Number | 457-9878 |
| Compatible Machine | 320D / 330D / 336D / 390F Excavator |
| Part Name | Solenoid Valve Assembly |
| Packaging Details | Neutral export carton with protective wrapping |
| Application | Hydraulic Control |
| Payment Terms | T/T,L/C,Western Union |
| Category | Excavator Engine Parts |
| Condition | New Replacement |
| Alternate Part Number | 4579878 |
| Supply Ability | 5000 Pieces per Month |
| Delivery Time | 3-7 working days for stock items |
| Brand | CAT |
| Brand Name | CAT |
| Model Number | 320D 330D 336D 390F |
| Certification | ISO 9001:2015 |
| Place of Origin | Guangdong, China |
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Product Specification
| Part Number | 457-9878 | Compatible Machine | 320D / 330D / 336D / 390F Excavator |
| Part Name | Solenoid Valve Assembly | Packaging Details | Neutral export carton with protective wrapping |
| Application | Hydraulic Control | Payment Terms | T/T,L/C,Western Union |
| Category | Excavator Engine Parts | Condition | New Replacement |
| Alternate Part Number | 4579878 | Supply Ability | 5000 Pieces per Month |
| Delivery Time | 3-7 working days for stock items | Brand | CAT |
| Brand Name | CAT | Model Number | 320D 330D 336D 390F |
| Certification | ISO 9001:2015 | Place of Origin | Guangdong, China |
| High Light | CAT 457-9878 Solenoid Valve Assembly ，Excavator Solenoid Valve 320D 330D ，336D 390F Engine Valve Replacement | ||
Replacement solenoid valve assembly for 320D, 330D, 336D and 390F excavator engine systems.
The CAT 457-9878 Solenoid Valve Assembly is a precision-engineered replacement component built for 320D, 330D, 336D and 390F excavators. As an important item among Excavator Engine Parts, this Solenoid Valve Assembly supports accurate hydraulic and engine control, delivering dependable actuation across demanding earthmoving and construction conditions.
Each unit is produced to match original equipment fit and function, so it installs at the same mounting and connection points as the part it replaces. When you source CAT Parts for excavators, this Solenoid Valve Assembly is a direct cross-reference for part numbers 457-9878 and 4579878, keeping replacement straightforward and machine downtime low.
| Part Name | Solenoid Valve Assembly |
| Part Number | 457-9878 |
| Alternate Number | 4579878 |
| Brand | CAT |
| Compatible Machine | 320D / 330D / 336D / 390F Excavator |
| Category | Excavator Engine Parts |
| Condition | New Replacement |
| Application | Hydraulic Control |
This Solenoid Valve Assembly is intended for 320D, 330D, 336D and 390F excavators. It serves as a cross-reference replacement for 457-9878 and 4579878. Please confirm your machine model and original part number before ordering to ensure correct fitment.
Operators and workshops look for CAT Parts that restore reliable control without excessive downtime. This Excavator Engine Parts grade Solenoid Valve Assembly is produced with controlled tolerances and durable materials so it stands up to repeated daily cycles on site. Its direct-fit design helps technicians complete the replacement quickly using standard tools.
Q: What part numbers does this valve replace?
It cross-references 457-9878 and 4579878.
Q: Which machines is it built for?
The 320D, 330D, 336D and 390F excavators.
Q: How is this product categorised?
It is catalogued as an Excavator Engine Parts item.
Need the CAT 457-9878 Solenoid Valve Assembly?
Send us your machine model and quantity, and we will reply with availability and pricing.
Company Details
Business Type:
Distributor/Wholesaler
Year Established:
2019-07-01
Employee Number:
80~100
Ecer Certification：
Verified Supplier
Guangzhou Pinxin Engine Co., Ltd | Premium Diesel Engine Parts Supplier Guangzhou Pinxin Engine Co., Ltd is a leading manufacturer and supplier of high-quality diesel engine components, specializing in cylinder liners, pistons, engine blocks, crankshafts, fuel injectors, and diesel pumps. As an aut... Guangzhou Pinxin Engine Co., Ltd | Premium Diesel Engine Parts Supplier Guangzhou Pinxin Engine Co., Ltd is a leading manufacturer and supplier of high-quality diesel engine components, specializing in cylinder liners, pistons, engine blocks, crankshafts, fuel injectors, and diesel pumps. As an aut...
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