New 5I7721 Spring Replacement suitable for Caterpillar Equipment

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

Buy with Confidence: All parts are covered by our warranty

$1.29

4.7

(Site rating)
In Stock | Ships Out Today | Order By 3pm ET
SKU
5I7721CTP
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Description for 5I7721 Engine Valve Spring

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This aftermarket Caterpillar 5I7721 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 5I7721 Engine Valve Spring

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Replacement Part Number(s): 5I-7721
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: 0.10 LBS | 0.05 KG
Dimensions: 3.50 x 6.00 x 0.08 (inches)
Condition: New

Exact Fit Guarantee for 5I7721 Engine Valve Spring

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Looking for a reliable replacement Caterpillar 5I7721 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 3064, 3066, 311, 311B, 311C, 312B, 312C, 312C L, 314C, 318C, 319C, 320 L, 320B, 320C, 320C FM, 320C L, 320D, 320D LRR, 320N, 321C, 323D L, 323D LN
Dimensions 3.50x6.00x0.08
Customer Reviews
  1. 80%
    Above and Beyond
    Staff took care of issue that was nit created by them. Package was lost by UPS. Propel sent me another part Next Day Air to correct it.
  2. 100%
    Fast communication, and very Helpful!
  3. 100%
    Great service affordable parts
  4. 100%
    Tiene una buena atención y servicio
  5. 100%
    Excellent service and quick response!
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Questions About this Part?
Have a question about fit, compatibility, shipping, warranty, or returns?

This 5I7721 Engine Valve Spring is compatible with the following models:
3064, 3066, 311, 311B, 311C, 312B, 312C, 312C L, 314C, 318C, 319C, 320 L, 320B, 320C, 320C FM, 320C L, 320D, 320D LRR, 320N, 321C, 323D L, 323D LN & 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.