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New CAT 4P9830 Plunger & Barrel Caterpillar Aftermarket for CAT
- Plunger & Barrel Replacement suitable for Caterpillar Equipment
- Made to USA Specifications
Buy with Confidence: All parts are covered by our warranty
4.7
(Site rating)Description for 4P9830 Plunger And Barrel
▶Specification for 4P9830 Plunger And Barrel
▶Exact Fit Guarantee for 4P9830 Plunger And Barrel
▶| Models | 3306, D250E, D250E II, D25C, D25D, D300B, D300D, D300E |
|---|---|
| Dimensions | 4.53x2.17x2.17 |
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Excellent Customer service
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Amazing service, emails answered very quickly with simple straight forward answers. Haven’t received the parts yet but ordering them was quick and easy.
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Rapid response! Excellent service!
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Quick Respond.
The quick respond much appreciated.
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Propel parts is a very reliable parts source for heavy equipment
Quick response,good quality parts,favourable prices and always deliver on time
Frequently Asked Questions
What is the Caterpillar 4P9830 plunger and barrel assembly used for?
A: The 4P9830 plunger and barrel is a precision fuel injection pump component used in Caterpillar diesel engines. It creates the high pressure needed to deliver fuel accurately to the injectors, directly impacting engine power, efficiency, and emissions.
How do I know when the plunger and barrel needs replacement?
A: Signs of wear include loss of engine power, uneven cylinder performance, increased fuel consumption, difficulty starting, and white or black smoke. When injection pressure drops due to worn plunger and barrel sets, overall engine performance suffers significantly.
Is this a high-quality aftermarket or remanufactured part?
A: The 4P9830 is a high-quality aftermarket plunger and barrel assembly that meets or exceeds OEM specifications for dimensional accuracy, material hardness, and injection pressure performance.
Which engines is the 4P9830 compatible with?
A: This plunger and barrel is designed for specific Caterpillar fuel injection pump models. Always verify fitment using your engine's model and serial number. If you are still unsure, reach out to Propel Parts ??? our team will be happy to help you verify compatibility.
Browse our full range of fuel system parts for plunger & barrel sets, nozzles, and other fuel injection components for CAT engines.
Does the plunger and barrel need to be matched as a pair?
A: Yes. Plunger and barrel assemblies are precision-matched pairs. The clearances between them are critical for correct injection pressure. Never mix individual components from different sets, as this can lead to injection failures and engine damage.
Can I install this part myself?
A: Fuel injection pump work requires precision and specialized knowledge. It is recommended to have this component installed by a qualified diesel injection specialist or technician familiar with Caterpillar fuel systems. Incorrect installation can damage the injection pump.
What warranty comes with the 4P9830?
A: All Propel Parts products include a 12-month warranty against manufacturing and material defects. Same-day shipping is available for weekday orders placed before 3pm ET.
This 4P9830 Plunger And Barrel is compatible with the following models:
3306, D250E, D250E II, D25C, D25D, D300B, D300D, D300E & more...
Shipping
We know equipment downtime costs money, so fast and reliable shipping is a priority at Propel Parts. Orders placed on weekdays before 3:00 PM ET typically ship the same day, with expedited delivery options available for many locations when time is critical.
We ship across the U.S., Canada, and over 130 countries worldwide, helping customers keep machines running wherever they operate. Available shipping methods and delivery estimates are shown at checkout so you can select the option that best fits your timeline.
Tracking information is emailed within 24–48 hours after your order is processed, giving you full visibility from dispatch to delivery and peace of mind that your parts are on the way.
Easy Returns
Our refund policy is simple. We offer a 30-day, no-hassle return policy, and we make every effort to provide the best service and highest-quality parts possible. If you’re not fully satisfied with your purchase, you may return it within 30 days for a refund. Full details are available on our Returns Policy page.
Warranty
Buy with confidence. All parts from Propel Parts are covered against material or manufacturer defects for 12 months from the original invoice date. We stand behind every part we sell, so you can count on reliable performance and dependable support. Full details are available on our Warranty Policy page.
1 YEAR UNLIMITED WARRANTY
ORDER BY 3PM EST. EXCL. WEEKEND
NO CORE OR EXCHANGE CHARGES
EASY RETURNS & FAST REFUNDS
