Rocker Arm Assembly 3052170 3047479, complete valvetrain unit with hardware β compatible with Cummins NT855, N14, NTA855A and John Deere 6810, 6910 engines.
One-piece minimum order confirmed at checkout for emergency repairs.
Ready for Dispatch β Guangzhou warehouse holds this rocker arm assembly in stock, with single-piece orders leaving within hours of confirmation rather than days.
| Parameter | Value |
|---|---|
| Part Number | 3052170 3047479 |
| Product Type | Rocker Arm Assembly |
| Cross-Reference | 3052170 (reference only), 3052170rx (reference only), 3047479 (reference only) |
| Machine Fitment | NTA855A, N14, G855, CM558, NH855, NT855, 6810, 6910 |
| Brand Compatibility | Cummins, John Deere |
| Condition | New Aftermarket |
| Assembly State | Complete assembly with necessary hardware |
| Warranty | 3-12 months against manufacturing defects |
| Minimum Order Quantity | 1 piece |
| Quality Standard | ISO 9001 |
| Failure Symptom | Replacement Urgency |
|---|---|
| Ticking or clattering from valve cover at idle or under load | Immediate β progressive valvetrain wear risks camshaft and pushrod damage |
| Excessive valve lash that cannot be adjusted out | Same-day order β indicates worn rocker arm bushings or shaft scoring |
| Broken rocker arm or bent valve after overspeed event | Machine-down emergency β engine cannot operate until replaced |
| Irregular cylinder compression with intact rings and head gasket | High priority β misadjusted or worn rocker arms prevent full valve closure |
| Oil leakage at rocker cover tied to cracked rocker arm pedestal | Scheduled for next available shift β secondary contamination of belts and hoses |
Stock confirmation and freight timing quoted before you pay, not after.
When an excavator or loader sits idle on a jobsite, every hour of silence costs more than the part itself. The problem is rarely sourcing a Rocker Arm Assembly in stock β it is the days lost waiting for a supplier to confirm whether the number on a worn nameplate still matches current production. In Shandong's equipment-dense corridor, I have watched contractors lose an entire workweek because a blurry engine photo led to the wrong valvetrain component arriving [NEED_CITE: equipment downtime cost estimation methods for earthmoving fleets]. A Rocker Arm Assembly in stock means little if the variant is wrong for that specific engine serial range.
A faded nameplate does not have to stall the order. Our technical team cross-checks engine photographs against known build configurations for NTA855A, N14, and related platforms, matching valve geometry and mounting pattern before confirming availability. This Rocker Arm Assembly in stock carries cross-reference numbers 3052170 and 3047479, and we verify which production variant fits your serial range before the carton is sealed. One clear photo of the engine data plate or existing rocker shaft is usually enough to lock the correct assembly.
Express courier delivers to most international destinations within days of dispatch from Guangzhou. Air freight covers the same routes on a slightly longer schedule, while sea freight remains available for non-urgent replenishment [NEED_CITE: international freight transit benchmarks for construction spare parts]. We quote the arrival window at the time of order so you can schedule the mechanic and the machine bay around a known date. Packaging is rated for express handling β foam-lined inner cartons protect the rocker shaft and arm bearings from transit shock. Round-the-clock response means an after-hours failure report still gets a shipping quote before the next morning's shift briefing.
The complete assembly includes the rocker shaft, arms, springs, and mounting hardware needed for a direct swap β no scavenging fasteners from the old unit. ISO 9001 production oversight ensures dimensional consistency across bushing bore, shaft diameter, and valve-stem contact pad geometry. Correct valve lash adjustment after installation depends on these tolerances holding within specification. The 3-12 month warranty covers manufacturing defects, giving you confidence to run the engine at full load after break-in [NEED_CITE: diesel engine valvetrain inspection intervals and adjustment procedures].
Ordering the incorrect variant means the machine stays down while the return ships back and the replacement is sourced. That second logistics cycle doubles the freight spend and triples the idle hours on a rented machine or a contracted fleet [NEED_CITE: hidden costs of incorrect spare parts ordering in heavy equipment operations]. Worse, a rocker arm that physically bolts on but carries the wrong ratio or offset can load the valve stem unevenly, leading to premature guide wear and a cylinder head teardown weeks later. Verifying the part from a photograph costs nothing; skipping that step can cost an entire project milestone.
Guangzhou warehouse stock on fast-failure valvetrain items means common rocker assemblies leave the same day the order is confirmed. Single-piece minimum order eliminates the buffer-stock requirement that blocks an emergency purchase. Our technical team identifies the correct variant from a part number, engine model, or nameplate photograph β no trial fitment needed on site. Cross-reference verification covers superseded numbers such as 3052170rx so older engine builds are not left unserved. Sample supply is available if you want to confirm fitment before committing a fleet quantity.
Share the engine nameplate image, existing part number, or machine model so we can confirm the exact variant in stock and quote the fastest delivery route to your location. No minimum order blocks a single-piece emergency β one assembly ships as readily as a full pallet.
Q: Is this rocker arm assembly in stock right now? A: Guangzhou warehouse maintains inventory on high-turnover valvetrain assemblies including the 3052170 and 3047479 cross-reference variants. Stock levels are confirmed in real time when you submit your inquiry, so the availability quoted is the availability you can order against β no back-order surprises after payment.
Q: What is the minimum order β can I buy just one? A: One piece is the minimum. We do not impose quantity thresholds that block an emergency repair. Whether you need a single rocker arm assembly for a machine already down on a jobsite or a dozen for a workshop overhaul queue, the same ordering process applies.
Q: How fast can it arrive at my location? A: Express courier, air freight, and sea freight are all quoted upfront with estimated arrival windows. The exact transit time depends on destination and carrier routing. We provide the delivery estimate at the time of order confirmation so you can plan the repair bay and mechanic schedule around a known date.
Q: My nameplate is unreadable β can you identify the part from a photo? A: Yes. A clear photograph of the engine block casting number, valve cover configuration, or even the existing rocker arm assembly allows our technical team to cross-check against known build records for NT855, N14, and related engine families. This avoids the costly mistake of shipping a variant that physically fits but carries the wrong geometry.
Q: What happens if the part arrives and doesn't fit? A: We verify compatibility before dispatch using your part number, engine model, or nameplate photo. In the rare event of a mismatch, the warranty covers manufacturing defects and our team initiates a resolution process immediately. Pre-dispatch verification is our primary safeguard β catching the error before the carton leaves the warehouse.
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.
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