719810-23100 Connecting Rod | Ready to Ship for Yanmar 3TNE78
719810-23100 Connecting Rod for Yanmar 3TNE78 / 3TNE78A engines — high-strength steel...
Rocker Arm Assembly 3052170 / 3047479 — replacement for Cummins NT855, N14 and compatible John Deere engines, new aftermarket condition.
Single-piece orders ship within days from warehouse stock — lead time confirmed at quote.
Single-Piece Dispatch — Guangzhou warehouse holds Rocker Arm Assembly 3052170 3047479 for Cummins NT855 and N14 engines, shipping the same day an order clears fitment confirmation.
| Parameter | Value |
|---|---|
| Part Number | 3052170 3047479 |
| Cross-Reference | 3052170 (reference only), 3052170rx (reference only), 3047479 (reference only) |
| Machine Fitment | NTA855A, N14, G855, CM558, NH855, NT855, John Deere 6810, John Deere 6910 |
| Product Type | Rocker Arm |
| Assembly State | Assembly |
| Condition | New Aftermarket |
| Warranty | 3–12 months against manufacturing defects |
| Minimum Order | 1 piece |
| Quality Standard | ISO 9001 |
| Failure Symptom | Replacement Urgency |
|---|---|
| Excessive valve lash that won't hold adjustment after reshimming | Immediate — machine cannot sustain load without correct valve timing |
| Ticking or clattering noise from valve cover at idle and under load | High — indicates rocker contact face wear progressing toward cam lobe damage |
| Visible scoring or spalling on rocker arm roller or pad surface | High — metal debris enters lubrication circuit, risking bearing damage |
| Bent or fractured rocker arm discovered during valve cover inspection | Critical — engine must not run until valve train is restored |
| Uneven cylinder compression traced to incomplete valve closure | Immediate — affects combustion efficiency and exhaust temperature |
A verified Rocker Arm Assembly 3052170 3047479 leaves Guangzhou within hours of fitment confirmation, not days.
When an excavator or loader sits idle on a job site because the valve train failed, every hour of downtime carries a cost that compounds quickly. Waiting for a supplier to confirm whether a part number is still valid, whether a superseded number fits, or whether the minimum order allows a single emergency piece — that waiting is where projects stall [NEED_CITE: mobile equipment downtime cost modeling for contractor fleets]. A worn or painted-over nameplate makes the situation worse; guessing at the engine variant and ordering the wrong rocker arm means another round of shipping and more days lost. The Rocker Arm Assembly 3052170 in stock fast shipping replacement workflow here starts with whatever identification the buyer can provide — a part number, an engine model, or a photograph of the nameplate — and moves to dispatch once fitment is locked.
A replacement rocker arm assembly for Cummins NT855 or N14 engines must match the specific engine build, because variant differences within the 855 and N14 families affect valve train geometry. The process begins when the buyer sends a part number, an engine serial, or a photo. Our technical team cross-references the identifier against known superseded numbers and variant applications, then confirms whether the assembly fits the exact engine configuration on the buyer's machine. This step prevents the most common cause of emergency-order failure: a part that is dimensionally close but functionally wrong for that serial range.
Once fitment is confirmed, the Rocker Arm Assembly 3052170 3047479 ships from Guangzhou via the method the buyer selects. Express courier delivers to most international destinations within a typical window suitable for emergency breakdowns. Air freight serves larger orders or heavier consolidated shipments where cost per kilogram matters more than absolute speed. Sea freight is available when the machine is not yet down but the buyer is restocking [NEED_CITE: international freight mode selection criteria for heavy equipment parts]. Dispatch timing and arrival estimates are quoted before the buyer commits, so there are no surprises about when the part reaches the workshop or job site.
The assembly state means the rocker arm arrives with its shaft, bushings, and fasteners pre-matched — not as individual components requiring bench assembly. This reduces installation time and eliminates the risk of mixing mismatched wear tolerances between new and reused sub-components. The new aftermarket condition indicates manufacturing to dimensional specifications that align with the original design envelope for Cummins NT855 and N14 valve trains, including John Deere 6810 and 6910 applications that share the same base engine platform. ISO 9001 production oversight ensures batch consistency across orders, which matters when a fleet operator sources rockers for multiple machines at different intervals.
A rocker arm that is close but incorrect does not simply fail to fit — it may install partially, run for a short period, and then cause secondary damage to the camshaft lobe, valve stem, or crosshead before the fault becomes obvious. By that point the repair scope has expanded from a single valve-train component to a top-end overhaul. The downtime window doubles or triples, and the freight cost for the replacement order is now a small fraction of the total loss [NEED_CITE: valve train failure propagation in heavy-duty diesel engines]. Confirming fitment from an engine serial number or nameplate photograph before dispatch is the control point that prevents this cascade.
Guangzhou warehouse stock on Rocker Arm Assembly 3052170 3047479 means common Cummins NT855 and N14 valve-train items are ready for same-day dispatch rather than built to order. A single-piece minimum order removes the barrier that blocks emergency purchases from suppliers requiring bulk commitments. Part identification from a photograph works when the nameplate is corroded, painted over, or missing entirely. Cross-reference verification covers superseded and alternate numbers so that an older reference on a worn tag still resolves to the correct current assembly. Technical support confirms compatibility before the order ships, not after it arrives and fails to fit.
Provide the engine model, serial number, or a clear photograph of the nameplate so the technical team can verify whether Rocker Arm Assembly 3052170 or 3047479 matches your specific Cummins NT855, N14, or compatible John Deere build. State the delivery location and required arrival window to receive freight options with transit estimates. Single-piece orders and consolidated shipments are both accepted.
Q: Is Rocker Arm Assembly 3052170 / 3047479 in stock and when can it ship? A: This assembly is stocked in the Guangzhou warehouse for Cummins NT855, N14, and compatible John Deere 6810 / 6910 applications. Once fitment is confirmed against your engine serial or nameplate photograph, dispatch can occur the same day. Express, air, and sea freight options are available depending on your location and urgency.
Q: Can I order just one piece for an emergency repair? A: The minimum order quantity is one piece. There is no bulk requirement blocking a single emergency replacement. This matters when a machine is already down on site and waiting for a valve-train component to restore operation.
Q: How do I confirm fitment if my engine nameplate is worn or unreadable? A: Send a photograph of whatever identification remains — even a partial serial, a casting number on the block, or the machine model plate. The technical team cross-references this against known engine build records to identify the correct rocker arm assembly for your specific variant.
Q: How long does delivery take to my country by express or air freight? A: Transit time depends on destination and the shipping method selected. Express courier typically reaches international workshops within a window suited to emergency breakdowns, while air freight serves larger consolidated orders. Exact arrival estimates are quoted before you commit to the order.
Q: What happens if the part I receive does not fit? A: Fitment is verified against your engine serial or nameplate data before dispatch to prevent this situation. If a mismatch occurs despite verification, contact the team immediately with installation photographs so the issue can be resolved under the warranty terms covering manufacturing defects.
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