New 1661487 Shim (2-MM THK) Replacement suitable for Caterpillar Equipment

$5.58
In Stock • Ships Today • Order By 3pm ET
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Details

Description for 1661487 General Shim

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This aftermarket Caterpillar 1661487 General Shim 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 General Shim.
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 1661487 General Shim

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Replacement Part Number(s): 166-1487
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: 0.15 LBS | 0.07 KG
Dimensions: 7.48 x 7.48 x 0.39 (inches)
Condition: New

Exact Fit Guarantee for 1661487 General Shim

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Looking for a reliable replacement Caterpillar 1661487 General Shim ? 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

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Satisfied Customer.
I made my first purchase from Propel Parts last week. I was very happy with the response time and the delivery was fast, fast, fast! Also, the quality of the product is superb and at a great low price.
Keep up the great work!

★★★★★

Fast communication, and very Helpful!

★★★★★

They are great !

★★★★★

Very helpful. Every question or request I had was answered quickly. I didn't have a parts book for my excavator but that was no problem for them. If you need parts for your Cat, give them a shot.

★★★★★

Good Customer Service. Fast Shipping. A+++

★★★★★

GREAT CUSTOMER SERVICED
WANTED TO THANK PROPEL PARTS FOR THEIR ATTENTION TO AN URGENT MATTER I HAD. THEY RESPONDED QUICKLY & RESOLVED IT. I ALSO WANTED TO MENYTION THAT OUR CUSTOMER'S ARE VERY HAPPY WITH THE PARTS EWE HAVE BEEN ORDERING FROM PROPEL. WE WILL DEFINITLEY CONTINUE TO DO BUSINESS.

★★★★★

Great pricing and fast shipping!
I'll admit that I was skeptical of propel parts, but they are an honest site and came through with the order. I was skeptical because I've never ordered heavy machinery parts, and didn't know who to trust. The parts that I ordered showed in stock, but after checking with their vendor, they only had half of the order in stock. I was notified the day after the order, and most of the parts arrived in a few days. There was one part that was not shipped putz but I was able to talk with who I assumed is the owner who rectified the situation and had the part overnighted to me.

I will say that communication speed could use a little work, but they will eventually get back with you.

★★★★★

Excellent service and very very good service

★★★★★

Received 15 items within 5 days from placing order !
Great. !

★★★★☆

Everything fine, thank you. The only thing with which I had a problem in your Software, is that when I have more than 10 different items on the list, I can't scroll to the first ones. But besides that, I am very happy in going on with buying your parts.

Product Questions

Frequently Asked Questions

What is the 1661487 washer used for?

The 1661487 is a washer that distributes load under a bolt or nut, guarding the mating surface and supporting consistent clamp force.

How do I install the 1661487 washer?

To install the 1661487 properly, prepare the area first and confirm the result afterward. Use these steps:

  1. Power down the machine and isolate the assembly before service
  2. Clean the seating surface and check it for damage or burrs
  3. Place the 1661487 in the correct orientation under the fastener
  4. Torque the fastener to specification so the washer seats evenly

Which Caterpillar machines is the 1661487 compatible with?

Compatibility for the 1661487 washer varies by machine and configuration, so cross-check it for your Caterpillar equipment before ordering. Check your manual or reach out to Propel Parts for help verifying fitment.

Does the 1661487 washer meet performance standards?

Yes. The 1661487 is engineered to meet OEM specifications for material, dimensions, and durability. When replacing, choose genuine or high-quality aftermarket parts that meet or exceed OEM specifications so the part performs the way it was designed to.

How often should the 1661487 be replaced?

The 1661487 is typically renewed during scheduled service or a related repair. In demanding, high-hour operation, inspect it more often to stay ahead of wear.

What are the signs of a worn or failing 1661487 washer?

A worn 1661487 usually gives early warning through the assembly it supports. Watch for these signs:

  • A joint that won't hold torque
  • Cupping, cracking, or flattening of the washer
  • Marking or embedding into the mating surface
  • Corrosion that weakens the contact area

Why is the 1661487 important, and what related parts work with it?

A sound 1661487 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 6V8197 Bolt and 1B7709 Cap Screw.

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

This 1661487 General Shim is compatible with the following models:
315C, 315D L, 316E L, 318C, 318D L, 318D2 L, 318E L, 319C, 319D, 319D L, 319D LN, 320B, 320C, 320C FM, 320C L, 320D, 320D FM, 320D FM RR, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 320D2, 320D2 GC & 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.

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