7S7144 Spring Valve for CAT 120, 120B, 120G & more

  • New Spring Valve Replacement suitable for Caterpillar Equipment
  • Made to USA Specification

Buy with Confidence: All parts are covered by our warranty

$3.53

4.7

(Site rating)
In Stock | Ships Out Today | Order By 3pm ET
SKU
7S7144CTP
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Description for 7S7144 Engine Valve Spring

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This aftermarket Caterpillar 7S7144 Engine Valve Spring is built to meet U.S. OEM specifications for durability and performance. At Propel Parts, we perform strict quality checks to ensure it fits and functions like your original Caterpillar Engine Valve Spring.
Direct Replacement: Engineered for a precise fit in Caterpillar equipment.
OEM-Spec Quality: Manufactured to match the performance of your original part.
Tested Reliability: Strict quality checks are performed before shipping.

Specification for 7S7144 Engine Valve Spring

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Replacement Part Number(s): 7S-7144
Specifications: Aftermarket Part | US OEM Specs.
Shipping: Same Day (Weekdays) | Order by 3pm.
Warranty: Unlimited Mileage | 1 Year Warranty.
Core: No Core Required | No Core Charge.
Weight: 0.18 LBS | 0.08 KG
Dimensions: 0.39 x 0.39 x 0.39 (inches)
Condition: New

Exact Fit Guarantee for 7S7144 Engine Valve Spring

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Looking for a reliable replacement Caterpillar 7S7144 Engine Valve Spring ? Order with confidence through our Exact Fit Guarantee.
Verified Fit: Before we ship, we check your part against CAT SIS (Caterpillar Service Information System) to confirm it's the correct match for your machine.
Peace of Mind: If it isn't the right fit, we'll contact you with the correct Caterpillar part number before your order goes out.
Exclusive Guarantee: Enroll in our Exact Fit Guarantee at checkout to ensure you get the part you need the first time.
More Information
Models 120, 120B, 120G, 12G, 12H, 12H ES, 12H NA, 130G, 140B, 140G, 140H, 140H ES, 140H NA, 143H, 14E, 14G, 14H NA, 160G, 160H, 160H ES, 160H NA, 163H NA, 1673C, 215, 215B, 215C, 225, 235, 235B, 330, 330 L, 3304, 3306, 3406, 3406B, 3406C
Dimensions 0.39x0.39x0.39
Customer Reviews
  1. 100%
    Original Review (Spanish)
    Si necesitas piezas de repuesto a buen precio para tu m?quina grande y quieres un servicio al cliente atento, esta tienda es una muy buena opci?n.

    English Translation
    If you need affordable replacement parts for your heavy equipment and want attentive customer service, this store is a very good option.
  2. 100%
    Had a great experience with ordering correct engine gaskets for our 3208 caterpillar engine
  3. 100%
    Excellent service!! Yes, very satisfied with the service, you have been very kind!
  4. 100%
    Received 15 items within 5 days from placing order !
    Great. !
  5. 100%
    Propel parts is a very reliable parts source for heavy equipment
    Quick response,good quality parts,favourable prices and always deliver on time
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Frequently Asked Questions

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What is the 7S7144 valve spring used for?

The 7S7144 valve spring is a critical component in the engine's valve train. It applies pressure to keep the intake and exhaust valves properly seated after they open during combustion. This helps maintain accurate valve timing, supports smooth engine operation, and prevents power loss caused by improper valve movement.

Which engines are compatible with the 7S7144 valve spring?

Because 7S7144 fitment varies across machine configurations, always verify the part number in your equipment manual or parts catalog before ordering. The Propel Parts team can also help confirm compatibility quickly.

What are the signs of a worn or weak valve spring?

A worn 7S7144 engine valve spring may cause noticeable engine performance issues, such as:

  1. Loss of engine power or reduced efficiency
  2. Irregular engine idle or misfires
  3. Unusual ticking noise from the cylinder head
  4. Improper valve seating or valve train wear

Inspecting and replacing worn valve springs during maintenance can help prevent further damage to the valve train.

Does the 7S7144 valve spring meet performance standards?

Definitely. The 7S7144 replacement is manufactured to meet OEM performance standards, making it a reliable choice for demanding heavy equipment applications. Contact Propel Parts if you need help confirming it\'s the right part for your setup.

How do you install the 7S7144 valve spring?

Installing a 7S7144 valve spring typically requires cylinder head access and the proper valve spring compression tools. General installation steps include:

  1. Remove the cylinder head cover and access the valve assembly.
  2. Compress the existing valve spring using a valve spring compressor

> tool.

  1. Remove the retainers and take out the worn spring.
  2. Install the new 7S7144 valve spring in the correct position.
  3. Reinstall the retainers and release the compressor tool carefully.

Always follow the engine service manual for accurate procedures and torque specifications.

When should the 7S7144 valve spring be replaced?

The 7S7144 valve spring is often replaced during engine overhauls, cylinder head repairs, or valve train maintenance. If the spring loses tension or fails inspection during engine servicing, replacing it helps maintain proper valve operation and engine performance.

Can I use a premium aftermarket 7S7144 valve spring replacement?

Definitely. Aftermarket 7S7144 replacements that meet OEM standards offer a dependable alternative to original parts. Selecting a quality replacement helps ensure proper fitment, system performance, and long-term durability.

Questions About this Part?
Have a question about fit, compatibility, shipping, warranty, or returns?

This 7S7144 Engine Valve Spring is compatible with the following models:
120, 120B, 120G, 12G, 12H, 12H ES, 12H NA, 130G, 140B, 140G, 140H, 140H ES, 140H NA, 143H, 14E, 14G, 14H NA, 160G, 160H, 160H ES, 160H NA, 163H NA, 1673C, 215, 215B, 215C, 225, 235, 235B, 330, 330 L, 3304, 3306, 3406, 3406B, 3406C & 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.