Block & Internal Parts
Rocker Arm Assembly 3052170 3047479 for Cummins NT855 NH855 CM558 G855 N14 John Deere 6810 6910 Engine
ISO Certified Quality Assured
2-5 Day Ship Fast Dispatch
3-12 Mo. Warranty
Block & Internal Parts 3047479 3052170 3052170 for Cummins N14 Engine

Rocker Arm Assembly 3052170 3047479 for Cummins NT855 NH855 CM558 G855 N14 John Deere 6810 6910 Engine

Get reliable engine performance back with this Rocker Arm Assembly for Cummins NT855 and N14 engines—designed to restore proper valve timing and reduce costly downtime. Precision-engineered to meet OEM specifications, it directly replaces parts 3052170 and 3047479, ensuring a perfect fit for John Deere 6810 machines and Cummins-powered equipment.

  • Durable construction handles high-temperature engine environments, maintaining valve clearance longer than generic alternatives
  • Includes all necessary components for a complete replacement, minimizing installation time for repair shops
  • Backed by our 3–12 month warranty and expert technical support to keep your machinery operational

Key Highlights

  • Fits CAT, Komatsu, Hitachi, Volvo, Hyundai, Doosan, Kobelco, Sany, XCMG & more
  • Sourced from ISO-certified factories with strict QC inspection
  • MOQ = 1 piece · In-stock items ship in 2-5 working days
  • 3-12 month warranty · 24-hour quotation guarantee
Ships from Guangzhou
120+ countries served
MOQ: 1 piece
Quote in 24 hours

Product Specifications

ParameterDetails
Part NameRocker Arm Assembly
Replacement Part Number3052170, 3052170rx, 3047479
BrandFridayParts
Compatible Engine BrandCUMMINS
Engine ModelNT855, N14, NH855, G855, NTA855A
ConditionNew Aftermarket
Warranty3-12 months against manufacturing defects

Compatible Models

BrandApplicable Models
CumminsNTA855A, N14, G855, CM558, NH855, NT855
John Deere6810, 6910

Need Reliable Rocker Arm Assembly 3052170 for Your Cummins N14 Engine?

Construction and mining operations can't afford engine downtime. When your Cummins NT855 or N14 engine's rocker arm fails, waiting 2-4 weeks for OEM parts or risking counterfeit components that fail prematurely costs thousands in lost productivity. Finding the right replacement parts for mixed fleets often means dealing with multiple suppliers—until now.

OEM-Equivalent Quality, Ready to Ship Today

Our Rocker Arm Assembly 3052170/3047479 solves these challenges with 10 years of global export experience backing every component. As a professional supplier with 10,000+ SKUs in stock, we work exclusively with ISO-certified factories to ensure each rocker arm meets OEM specifications. Pre-shipment performance testing guarantees the same reliability as original parts, without the 30-50% price markup. Whether you're repairing a John Deere 6810 or Cummins N14 engine, this assembly delivers precise valve timing and durability for heavy-duty applications.

Where This Rocker Arm Assembly Works

Designed for high-stress environments, this rocker arm assembly performs in construction equipment, mining trucks, agricultural machinery, and marine vessels powered by Cummins NT855/N14 series engines. It withstands continuous operation in extreme temperatures and heavy load cycles, making it critical for maintaining proper engine valve lift and combustion efficiency. In quarrying and demolition applications, where equipment runs 24/7, reliable valve train components directly impact uptime and project deadlines.

Engineering Details That Matter

Every component in this rocker arm assembly is engineered for longevity: precision-machined contact surfaces ensure proper valve clearance adjustment, reducing wear on camshafts and pushrods. The high-strength alloy construction resists bending under peak loads, while heat-treated pivot points maintain dimensional stability during thermal expansion. Unlike cheaper alternatives, our assembly includes all necessary hardware for direct replacement, ensuring proper fitment without modifications. This attention to detail translates to 30% longer service life compared to non-certified parts.

The Real Cost of Choosing Wrong Rocker Arms

Opting for counterfeit or low-quality rocker arms may save money upfront, but the hidden costs are staggering. A failed rocker arm can cause valve damage, piston scoring, and catastrophic engine failure—repairs that exceed $10,000 in parts and labor. With average equipment downtime costing $800-$1,500 per hour, even a 24-hour delay erases any initial savings. Our ISO-certified assembly eliminates these risks, providing OEM-equivalent performance at a fraction of the cost while protecting your equipment investment.

Why Customers Trust XUNPO for Engine Parts

Our 120+ country customer base relies on us for consistent quality and service: we source exclusively from ISO 9001-certified manufacturers, conduct rigorous incoming material inspections, and perform 100% functional testing before shipment. Our 20+ person technical team verifies part compatibility within 2 hours, ensuring you get the right component the first time. With 10,000+ common parts in our Guangzhou warehouse, we ship in-stock items within 2-5 working days via express, air, or sea freight. Every rocker arm assembly comes with a 3-12 month warranty against manufacturing defects, backed by responsive after-sales support.

Packaging & Shipping

  • Individually packaged in anti-static bags with foam cushioning to prevent damage during transit
  • Reinforced cardboard outer packaging for international shipping durability
  • In-stock items shipped within 2-5 working days after payment confirmation
  • Flexible shipping options: DHL/FedEx/UPS express (3-7 days), air freight (5-10 days), or sea freight (20-40 days)
  • Real-time tracking number provided immediately after shipment
  • Minimum order quantity: 1 piece, ideal for emergency repairs

Get Your Cummins Rocker Arm Assembly Now

Don't let a worn rocker arm stop your operation. Send us your part number (3052170/3047479), engine model, and required quantity for a competitive quote within 24 hours. First-time customers can request sample testing to verify quality. With our ready inventory, we'll ship your rocker arm assembly within days—getting your equipment back to work faster and more affordably than OEM suppliers.

Frequently Asked Questions

Q: Is this a genuine Cummins part or aftermarket replacement?

A: This is an OEM-equivalent aftermarket rocker arm assembly, manufactured by ISO-certified factories to meet Cummins specifications.

Q: How can I confirm this assembly fits my specific engine?

A: Provide your engine serial number, model, and current part number—our technical team will verify compatibility within 2 hours.

Q: What warranty coverage does this rocker arm assembly include?

A: We offer a 3-12 month warranty against manufacturing defects. Contact us with photos and details of any issues for prompt resolution.

Q: What is the minimum order quantity for this part?

A: We accept orders for 1 piece, perfect for emergency repairs or single-unit maintenance.

Q: How long will it take to receive my order?

A: In-stock items ship within 2-5 working days. Express shipping takes 3-7 days, air freight 5-10 days, and sea freight 20-40 days depending on destination.

Q: Can I get a sample before placing a bulk order?

A: Yes, first-time clients can request sample testing to verify quality and fitment before bulk purchases.

Ready to order or need a quote?
Send your part number, machine model, and quantity — we'll respond within 24 hours.
WhatsApp: +86 187 2205 7128 | Email: talos@xunpojx.com

Compatible Brands & Models

CAT
Komatsu
Hitachi
Volvo
Hyundai
Doosan
Kobelco
Sany
XCMG
Liebherr
JCB
Case

Not sure if this part fits your machine? Send us your machine model number and serial number via WhatsApp or email -- our specialists will verify compatibility within 2 hours.

Shipping Information

  • In-Stock Items: Dispatched within 2-5 working days from Guangzhou warehouse
  • Shipping Methods: DHL, FedEx, UPS, sea freight, air freight -- flexible options for all destinations
  • Coverage: Ships to 120+ countries worldwide with real-time tracking
  • MOQ: 1 piece -- no minimum order requirement

Warranty & Quality

  • Warranty: 3 to 12 months depending on part type
  • QC: Strict quality inspection at ISO-certified partner factories
  • Samples: First-time buyers can request samples before bulk orders
  • Support: 24/7 post-delivery technical assistance via WhatsApp & email
Get a Fast Quote

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Our Response Guarantee
  • Part verification: within 2 hours
  • Full quotation: within 24 hours
  • Support available 24/7 via WhatsApp
10+
Years Export
10K+
SKUs Available
120+
Countries Served
24/7
Expert Support