New 2203373 Ring Replacement suitable for Caterpillar Equipment

$5.15
In Stock • Ships Today • Order By 3pm ET
Excellent on Trustpilot
ppp-seal
Fit Guarantee

Exact Fit Guarantee

This part is guaranteed to fit your machine.

Wrong Part

Wrong Part?

We'll overnight correct part at no cost to you.

Secure Checkout Secure Checkout • Trusted Since 2012
Also accepts PayPal and Apple Pay
Details

Description for 2203373 Seal Ring

â–¶
This aftermarket Caterpillar 2203373 Seal Ring 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 Seal Ring.
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 2203373 Seal Ring

â–¶
Replacement Part Number(s): 220-3373
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: 0.05 LBS | 0.02 KG
Dimensions: 3.94 x 5.91 x 0.79 (inches)
Condition: New

Exact Fit Guarantee for 2203373 Seal Ring

â–¶
Looking for a reliable replacement Caterpillar 2203373 Seal Ring ? 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.
Reviews

Customer Reviews

★★★★★

Great prices prompt courteous customer service and fast shipping.

★★★★★

BEST for Heavy Equipment Parts.
Awesome quality products! Better customer service! Steven is always a pleasure to work with and very prompt in assisting me - thank you!

★★★★★

When I had questions, they were answered quickly and kindly.

Thank you!!

★★★★★

To my country the company is doing great
The products they market is good and
Affordable.
They can delivery to any country, stree free.
Tested and trusted.

★★★★★

Excellent service!! Yes, very satisfied with the service, you have been very kind!

★★★★★

The best supplier ever we mainly deal with most rare needed parts .. i highly recommend .. they are very very honest

★★★★★

Stevens the man. Placed my order and sent him the order # and had me in the loop within an hour.

★★★★★

Buen servicio y atención

★★★★★

Awesome and diligent support. Would definitely recommend

★★★★★

Propel Parts provided quality parts for my Caterpillar needs at a very fair price. Shipping to my international location was very fast. took about a week for the parts to get here. Seller is also responsive with my inquiry.
Thanks again

Product Questions

Frequently Asked Questions

What is the 2203373 ring used for?

The 2203373 is a ring component that maintains a seal or secures a part in place, depending on its application in the assembly.

How do I install the 2203373 ring?

To install the 2203373 properly, prepare the area first and confirm the result afterward. Use these steps:

  1. Shut down and depressurize or disassemble the area safely
  2. Remove the old ring and clean its groove or seat
  3. Inspect the groove and mating surfaces for wear
  4. Fit the 2203373 squarely without distorting or over-stretching it
  5. Reassemble and verify correct seating and operation

Which Caterpillar machines is the 2203373 compatible with?

Fitment for the 2203373 depends on your specific Caterpillar model and the assembly it serves, so confirm the application before you order. Please reach out to Propel Parts for help verifying fitment.

Does the 2203373 ring meet performance standards?

Yes. The 2203373 is manufactured to meet OEM specifications for tolerance and material quality. When replacing, choose genuine or high-quality aftermarket parts that meet or exceed OEM specifications for dependable, long-term performance.

How often should the 2203373 be replaced?

Plan to replace the 2203373 during a rebuild of the surrounding components, or sooner if inspection shows it is past its serviceable limit.

What are the signs of a worn or failing 2203373 ring?

A worn 2203373 usually gives early warning through the assembly it supports. Watch for these signs:

  • Leaks or loss of pressure
  • A worn, broken, or distorted ring on removal
  • Reduced performance in the assembly
  • Blow-by or contamination past the ring

Why is the 2203373 important, and what related parts work with it?

A sound 2203373 is inexpensive insurance against larger repairs. Servicing it on time with parts that meet OEM specifications keeps the whole assembly working as intended. Related hardware on our site includes 1124511 Pin Spring and 5P3193 Seal Lip Type.

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

This 2203373 Seal Ring is compatible with the following models:
3176C, 3196, 140H, 143H, 14H, 14M, 160H, 163H, 16H, 16M, 345B, 345B II, 345B II MH, 345B L, 345C, 345C L, 345C MH, 345D, 345D L, 345D L VG, 349D, 349D L, 349E, 349E L, 349E L HVG, 349E L VG, 349F L & more...

Shipping | Returns

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.

Exact Fit Guarantee

Exact Fit Guarantee®

The right part — or we'll make it right.

1

Order Normally

Know your part number?
Simply place your order.

2

Not Sure?

Place your order, then send us your serial number before it ships.

We'll verify fit.
Truck Icon
3

We Make It Right

Wrong part? We'll make it right.

Fast. At our expense.