250-9378 2509378 Caterpillar Engine Brake Valve Assembly
Product Information
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- Brand: For Caterpillar equipment
- Category: Engine Parts / Valve Train / Engine Brake Valves
- Part Number: 250-9378
- Part Name: Engine Brake Valve Assembly
- Alternative OEM:
- Engine Model: Caterpillar C9, C11, C13, C15, C18; selected configurations
- Compatible Equipment: Caterpillar 740B, 745C, 988H, 988K, 990K, 777G, 16M, 24M; subject to serial-number and engine brake configuration verification
- Condition: 100% New Aftermarket Replacement
Product Function & Specs:
The 250-9378 valve assembly forms part of the engine compression brake system on applicable Caterpillar engines. Caterpillar describes the reference component as an engine brake valve assembly for use with a 24 V variable valve actuator (VVA).
Failure Symptoms:
- Reduced engine braking effect when the compression brake is selected.
- Intermittent or uneven engine brake response during operation.
- Sticking movement, scoring, or damaged valve surfaces found during inspection.
Quick Installation Notes:
- Stop the engine, allow it to cool, and follow the service manual for safe access to the engine brake assembly.
- Clean the surrounding area before removal and protect exposed oil passages and mating surfaces from contamination.
- Follow the engine-specific service procedure for installation, any required adjustment, and engine brake testing.
Maintenance Tips:
- Use engine oil meeting the manufacturer’s specification and replace oil and filters at the prescribed intervals.
- Monitor engine brake response and investigate changes in braking performance promptly.
- Inspect related actuator components and oil supply passages when diagnosing recurring valve problems.
FAQ:
Q: Is this replacement listed against part number 250-9378?
A: Yes. This aftermarket engine brake valve assembly is listed against reference number 250-9378. The number 2509378 is the same reference written without the hyphen.
Q: Is this an aftermarket replacement?
A: This listing is for a new aftermarket replacement. The equipment manufacturer’s name identifies the intended application.
Q: Which engines or machines are applicable?
A: Caterpillar lists selected C9, C11, C13, C15, and C18 engine applications, along with equipment models including 740B, 988K, and 777G. Send the engine serial number and machine PIN, where applicable, so the installed engine brake arrangement can be checked before ordering.
Q: How should this part be stored before installation?
A: Keep the valve assembly in protective packaging in a clean, dry location. Protect precision surfaces from corrosion, impact, and abrasive contamination, and keep any openings covered until installation.
Q: Can I purchase in bulk?
A: Yes. We support wholesale orders for parts dealers and workshops. Contact us directly for bulk pricing and shipping options.
Why Sourcing From WinsParts?
WinsParts supports international buyers with parts research, configuration confirmation, product inspection, and export coordination.
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We deliver high-performance construction machinery parts to wholesalers, repair shops, and operators worldwide. To minimize your machinery downtime, we offer flexible shipping options tailored to your urgency and budget:
Our Reliable Shipping Methods:
- Express Delivery (DHL, FedEx, UPS): 3–7 business days worldwide. Best for urgent orders (e.g., electronic controllers, injector nozzles, seal kits).
- Standard & Economy Shipping: 7–21 days depending on the destination. Ideal for cost-effective transit with full end-to-end tracking.
- Sea Freight & Air Cargo: Recommended for heavy assemblies such as complete engine blocks, hydraulic main pumps, and undercarriage track links.
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- Orders for in-stock items placed before 2:00 PM (GMT+8, Monday–Friday) are dispatched the same day.
- Later orders or customized orders will be shipped the next working day.
Critical Selection Reminder: Please make sure your Part Numbers match our product listings. If you are unsure, simply contact our engineering team via WhatsApp. We will cross-verify compatibility using official electronic catalogs (SIS/EPC) based on your machinery nameplate.
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Gz Wins Construction Engineering Co., Ltd. is a premier manufacturer and global supplier specializing in the diversification of engineering machinery parts. With over a decade of industry expertise, we integrate development, production, and professional marketing to provide a one-stop solution for the world’s most demanding machinery brands.
We don’t just sell parts; we manage reliability. Our products are rigorously tested and successfully exported to America, Europe, Southeast Asia, the Middle East, and Africa. We pride ourselves on maintaining a massive inventory that ensures your machinery downtime is kept to an absolute minimum.
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