
PRO Program members can receive tiered savings on this line—up to 20% more off for qualifying accounts.
Shipping estimate & delivery timing
Share this product on social media and get an exclusive discount code!
Click any platform below to share this product. After sharing, you'll receive a discount code!
Built to support repair shops, fleets, and equipment owners with dependable parts sourcing and responsive service.
Qualifying new parts include 1-year coverage. Review the Warranty Policy section for coverage details, claim steps, and exclusions.
Eligible orders may qualify for returns within 90 days. See the Easy Return Policy section for conditions and next steps.
Send a question through Ask a Product Question or the contact form. Our team reviews requests on business days and follows up as quickly as possible.
Main Relief Valve 103-8177 for Caterpillar Excavator CAT 318C 319C 320C 20D 321C 22C 324D 325C 325D 329D 330C 330D 336D M330D
OEM:
103-8177,1038177,CA1038177
Application:
Caterpillar Excavator
318C, 319C, 320C, 320C FM, 320C L, 320D, 320D FM, 320D FM RR, 320D GC, 320D L,
320D LN, 320D LRR, 320D RR, 320D2, 320D2 GC, 320D2 L, 321C, 321D LCR, 322C, 322C FM,
323D L, 323D LN, 323D SA, 323D2 L, 324D, 324D FM, 324D FM LL, 324D L, 324D LN, 325C,
325C FM, 325D, 325D FM, 325D FM LL, 325D L, 325D MH, 326D L, 328D LCR, 329D, 329D L,
329D LN, 330C, 330C FM, 330C L, 330C MH, 330D, 330D FM, 330D L, 330D LN, 330D MH, 336D,
336D L, 336D LN, 336D2, 336D2 L, 340D L, 340D2 L, M325C MH, M325D L MH, M325D MH, M330D
See Details:
318C Excavators BTG00001-UP (MACHINE) POWERED BY 3066 Engine
318C L &318C LN Excavators GPA00001-UP (MACHINE) POWERED BY 3066 Engine
319C LN Hydraulic Excavator KGL00001-UP (MACHINE) POWERED BY 3066 Engine
320C &320C L Excavators AMC00001-UP (MACHINE) POWERED BY 3066 Engine
320C &320C L Excavators BDC00001-UP (MACHINE) POWERED BY 3066 Engine
320C &320C L Excavators BPR00001-UP (MACHINE) POWERED BY 3066 Engine
320C &320C L Excavators GNG00001-UP (MACHINE) POWERED BY 3066 Engine
320C &320C L Excavators MAB00001-UP (MACHINE) POWERED BY 3066 Engine
320C &320C L Excavators RAW00001-UP (MACHINE) POWERED BY 3066 Engine
320C Excavators HBC00001-UP (MACHINE) POWERED BY 3066 Engine
320C Forest Machines SAH00001-UP (MACHINE) POWERED BY 3066 Engine
320C Forest Swing Machine BGB00001-UP (MACHINE) POWERED BY 3066 Engine
320C Hydraulic Material Handler EGA00001-UP (MACHINE) POWERED BY 3066 Engine
320C LN Excavator AXK00001-UP (MACHINE) POWERED BY 3066 Engine
320C LRR Excavator GAD00001-UP (MACHINE) POWERED BY 3066 Engine
320C Material Handler JPL00001-UP (MACHINE) POWERED BY 3066 Engine
320C S Hydraulic Excavator BMZ00001-UP (MACHINE) POWERED BY 3066 Engine
320C S Hydraulic Excavator EGL00001-UP (MACHINE) POWERED BY 3066 Engine
320C U &320C LU Excavators MAC00001-UP (MACHINE) POWERED BY 3066 Engine
320C U 320C LU Excavators CLM00001-UP (MACHINE) POWERED BY 3066 Engine
320C, 320C L, 320C LN Excavators DBG00001-UP (MACHINE) POWERED BY 3066 Engine
320C, 320C L, 320C LN, 320C S Excavators BBL00001-UP (MACHINE) POWERED BY 3066 Engine
321C LCR Hydraulic Excavator MCF00001-UP (MACHINE) POWERED BY 3066 Engine
322C &322C L Excavators BKM00001-UP (MACHINE) POWERED BY 3126 Engine
322C &322C L Excavators DAA00001-UP (MACHINE) POWERED BY 3126 Engine
322C &322C LN EXCAVATORS BFK00001-UP (MACHINE) POWERED BY 3126 Engine
322C Forest Swing Machine M2H00001-UP (MACHINE) POWERED BY 3126B Engine
322C FOREST SWING MACHINES BPH00001-UP (MACHINE) POWERED BY 3126 Engine
322C Forest Swing Machines C3R00001-UP (MACHINE) POWERED BY 3126B Engine
322C L Excavator BKJ00001-UP (MACHINE) POWERED BY 3126 Engine
322C L Hydraulic Excavator HEK00001-UP (MACHINE) POWERED BY 3126B Engine
322C L, 322C LN Hydraulic Excavators EMR00001-UP (MACHINE) POWERED BY 3126 Engine
323D &323D L Excavator SDC00001-UP (MACHINE) POWERED BY 3066 Engine
324D &324D L Excavators CJX00001-UP (MACHINE) POWERED BY C7 Engine
Custom Support Literature for the 322C FM LGP BYL00001-UP (MACHINE)
CUSTOM SUPPORT LITERATURE FOR THE 324D FM LGP JGK00001-UP (MACHINE)
| original | 103-8177,1038177 |
Official answers about compatibility, package contents, specifications, installation, shipping, and warranty for Main Relief Valve 103-8177 for Caterpillar Excavator CAT 318C 319C 320C 20D 321C 22C 324D 325C 325D 329D 330C 330D 336D M330D (SKU: ES18301).
No product questions yet. Ask us using the product question form.
Send us your product question and we'll reply by email.
Every new aftermarket part from us includes a 1-year warranty. Full terms, coverage, and how to make a claim: Warranty Assistance.
We ship to customers around the world. Orders are sent with our standard courier service—trackable, dependable, and easy to work with. On this product page, use Get Estimate under the price to see shipping cost and estimated delivery for your location. For destinations, rules, and full details, read our Shipping Policy Details.
We want you to be confident in your order. If you are not satisfied, you may qualify for a return or refund within 90 days, subject to conditions. See our Easy Return Policy for eligibility, steps, and exceptions.