New 1P1683 Core Assy Rad Tub Replacement suitable for Caterpillar Equipment

$2,201.84
In Stock • Ships Today • Order By 3pm ET
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Description for 1P1683 Core Assy Rad Tub

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This aftermarket Caterpillar 1P1683 Core Assy Rad Tub 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 Core Assy Rad Tub.
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 1P1683 Core Assy Rad Tub

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Replacement Part Number(s): 1P-1683
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: 262.00 LBS | 118.84 KG
Dimensions: 42.52 x 29.53 x 13.78 (inches)
Condition: New

Exact Fit Guarantee for 1P1683 Core Assy Rad Tub

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Looking for a reliable replacement Caterpillar 1P1683 Core Assy Rad Tub ? 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

★★★★★

Steven & Propel Parts were a huge help! We were able to place a large order and get it shipped out same day to avoid a line down situation for a customer due to a lost component. The order was even submitted after the 3pm cutoff for same day shipments and we got it the next morning!

★★★★★

Very nice job

★★★★★

My part was damaged in shipping and everyone was very helpful on get it resolved and sent me another free of charge.

★★★★★

Very knowledgeable and quick to quote parts.
Very quick to respond to parts quotes. Knowledgeable and Polite, and very quick shipping. Definitely will purchase parts from these guys in the future.

★★★★★

Awesome and diligent support. Would definitely recommend

★★★★★

Original Review (Portuguese)
Muito bom atendimento
Ótima empresa

English Translation
Very good service.
Excellent company.

★★★★★

Customer Service.
I recently had to cancel an order with Propel Parts, and I was thoroughly impressed by the prompt and efficient service I received. Steven handled my request with professionalism and speed, ensuring a hassle-free process. I've purchased parts from Propel Parts before and have never been disappointed. Their consistent reliability and excellent customer service keep me coming back.

★★★★★

Great customer service answered email question quickly.

★★★★★

Excellent and prompt response.
Propel parts team helped me greatly regarding a special request and I always get prompt response.
They’re fantastic!

★★★★★

Great company with outstanding customer service. Always get answers to my questions and always get my order to me quickly!

Product Questions

Frequently Asked Questions

What is the 1P1683 Core Assy Rad Tub used for in Caterpillar equipment?

The 1P1683 Core Assy Rad Tub replacement is a critical component in the cooling system of Caterpillar equipment. It helps regulate engine temperature by transferring heat away from the coolant, ensuring optimal engine performance and preventing overheating during heavy-duty operations.

Is the 1P1683 Core Assy Rad Tub compatible with my Caterpillar machine?

Compatibility depends on your specific Caterpillar equipment model and configuration. It???s important to verify the part number against your machine???s manual or parts catalog. Check your manual or reach out to Propel Parts for help verifying fitment.

Does this 1P1683 radiator core assembly meet OEM standards?

Yes, this replacement part is engineered to meet OEM specifications, ensuring reliable performance, durability, and proper fitment. When replacing, choose genuine or high-quality aftermarket parts that meet or exceed OEM specifications for best results.

How do I install the 1P1683 Core Assy Rad Tub?

Follow these general steps for proper installation:

  • Turn off the equipment and allow the engine to cool
  • Drain the coolant safely
  • Remove the old radiator core assembly
  • Inspect and clean surrounding components
  • Install the new core assembly securely
  • Refill coolant and check for leaks after startup

Always refer to your equipment service manual for model-specific instructions.

What are the signs that my radiator core assembly needs replacement?

Common signs include:

  • Engine overheating
  • Coolant leaks or low coolant levels
  • Reduced cooling efficiency
  • Visible corrosion or damage to the radiator core
  • Frequent temperature fluctuations

Addressing these issues early helps prevent costly engine damage.

How often should a radiator core assembly be replaced?

There is no fixed replacement interval, as it depends on operating conditions, maintenance practices, and environment. Regular inspections are recommended, especially in harsh or dusty conditions, to ensure your cooling system continues to perform efficiently.

Why is a high-quality radiator core assembly important for heavy equipment?

A properly functioning radiator core assembly ensures consistent engine temperature control, which is essential for performance and longevity. When replacing, choose genuine or high-quality aftermarket parts that meet or exceed OEM specifications to maintain system efficiency and reduce downtime.

Can I use an aftermarket 1P1683 Core Assy Rad Tub replacement?

Yes, we offer premium aftermarket options that are designed to meet OEM specifications and deliver dependable performance. High-quality aftermarket parts are a reliable and cost-effective solution when properly matched to your equipment.

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

This 1P1683 Core Assy Rad Tub is compatible with the following models:
977L, 977K & 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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