1777861 Hose A for CAT Equipment

  • New Hose A Replacement suitable for Caterpillar Equipment
  • Made to USA Specification

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$105.48
In Stock • Ships Today • Order By 3pm ET
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SKU
1777861CTP
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Description for 1777861 Hose

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This aftermarket Caterpillar 1777861 Hose 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 Hose.
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 1777861 Hose

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Replacement Part Number(s): 177-7861
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: 0.60 LBS | 0.27 KG
Dimensions: 13.19 x 2.17 x 13.19 (inches)
Condition: New

Exact Fit Guarantee for 1777861 Hose

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Looking for a reliable replacement Caterpillar 1777861 Hose ? 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
Dimensions 13.19x2.17x13.19
Customer Reviews
  1. 100%
    Always helpful and great pricing
  2. 100%
    They were great to deal with
  3. 100%
    Great customer service
    Anthony was very professional and on top of what needed to be done to get my order verified and moving forward.
  4. 100%
    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
  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

Product

What is the function of the 1777861 Hose A in CAT equipment?

The 1777861 Hose A is designed to transfer fluids efficiently within your equipment???s hydraulic or cooling system. It helps maintain proper flow, supports system pressure stability, and ensures reliable operation of connected components under demanding working conditions.

How do I install the 1777861 Hose A correctly?

To ensure proper installation, follow these general steps:

  • Power off the equipment and allow it to cool completely
  • Relieve system pressure as outlined in your equipment manual
  • Remove the old hose carefully, avoiding damage to fittings
  • Inspect and clean connection points for debris or residue
  • Install the new hose securely, ensuring proper alignment and tight connections
  • Restart the system and check for leaks or pressure issues

Always follow manufacturer-specific guidelines for best results.

Which CAT machines are compatible with the 1777861 Hose A?

The 1777861 Hose A is used across various CAT equipment models, but compatibility depends on your specific machine and configuration. Check your manual or reach out to Propel Parts for help verifying fitment to ensure this hose is correct for your application.

Does the 1777861 Hose A meet performance standards?

Yes, this hose is engineered to meet OEM specifications, ensuring durability, flexibility, and consistent fluid transfer performance. When replacing, choose genuine or high-quality aftermarket parts that meet or exceed OEM expectations to maintain system reliability.

When should I replace the 1777861 Hose A?

Replacement intervals vary based on operating conditions, usage intensity, and environmental factors. Hoses should be inspected regularly and replaced if signs of wear appear, especially in high-pressure or extreme temperature environments.

What are the signs of a failing or damaged equipment hose?

Common indicators include:

  • Visible cracks, bulges, or leaks
  • Reduced system performance or pressure loss
  • Fluid contamination or irregular flow
  • Unusual noises from hydraulic or cooling systems

Early detection helps prevent costly downtime and equipment damage.

Why is using a high-quality hose important for heavy equipment?

A reliable hose ensures proper fluid transfer, prevents leaks, and maintains system pressure. Using genuine or high-quality aftermarket parts that meet or exceed OEM specifications helps protect critical components, improve efficiency, and extend equipment lifespan.

Can I use an aftermarket alternative for the 1777861 Hose A?

Yes, we offer premium aftermarket options that are designed to meet OEM specifications and deliver dependable performance. When replacing, choose genuine or high-quality aftermarket parts that meet or exceed OEM expectations to ensure durability and proper system function.

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