HIGH-QUALITY EXCAVATOR PARTS MADE IN CHINA NEW 4472-319-2158&4472-322-012 GEAR-SUN&CARRIER DISC SPARKLING MACHINERY
SPARKLING MACHINERY NEW 4472-319-2158&4472-322-012 Gear-Sun&Carrier Disc is a core transmission component for excavators (heavy-duty construction/mining use). It works with planetary gear systems to adjust speed and amplify torque, ensuring smooth power transfer.
Meeting high OEM standards, it resists -30°C to 100°C temps, wear, and mechanical shock, ensuring seamless compatibility with multiple models and long-term reliable transmission performance.
Your excavator’s transmission efficiency and power transfer stability start here.
Now, we’re proud to present the HIGH-QUALITY EXCAVATOR PARTS MADE IN CHINA NEW 4472-319-2158&4472-322-012 GEAR-SUN&CARRIER DISC by SPARKLING MACHINERY. Next, we’ll cover its core strengths: multi-model compatibility, precise torque adjustment, strict quality, pro support, and cost-effective reliability—helping you maximize your equipment’s transmission performance.
The SPARKLING MACHINERY NEW 4472-319-2158&4472-322-012 GEAR-SUN&CARRIER DISC Photo:
And first—thank you so wholeheartedly, from the bottom of our hearts, for choosing SPARKLING MACHINERY’s 4472-319-2158&4472-322-012 Gear-Sun&Carrier Disc for your excavator! Your trust fuels our commitment to strict transmission system standards.
This component set is your excavator’s "power adjustment core"; a faulty one risks gear jamming, torque loss, or transmission breakdown. Ours matches top OEM specs perfectly—you can depend on it fully. Let’s explore why it’s the ideal fit for your machine.
Why choose the SPARKLING NEW 4472-319-2158&4472-322-012 Gear-Sun&Carrier Disc?
- Direct-fit compatibility: Custom-engineered for various excavators’ planetary transmission housings, gear meshing interfaces, and mounting points. Marked 4472-319-2158 and 4472-322-012, it aligns seamlessly with existing transmission setups—no modification, adapter use, or dimensional adjustments. Cuts replacement downtime by 37%, getting your excavator back to stable power transfer faster.
- Precision control: Features ultra-accurate gear meshing (backlash ≤0.1mm, deviation <0.8% from standard specs) and stable torque amplification, ensuring smooth speed adjustment and consistent power delivery for heavy-load tasks. Enables reliable performance for mining-site material handling or construction-site rough-terrain travel—to avoid transmission inefficiencies.
- Rigorous quality: Undergoes 28+ strict tests—torque durability (6,000+ working cycles without wear), high-low temperature cycles (-30°C to 100°C, 1,200+ cycles), gear hardness checks (HRC 58-62), and impact resistance (1,150N impact without structural damage). Withstands dusty construction/mining environments, mechanical vibration, and heavy-load stress without gear stripping or disc deformation.
- Professional support: Backed by a dedicated team with deep expertise in excavator planetary transmission systems. Offers 7×24 online assistance, including step-by-step installation guides (gear alignment charts, mounting torque tips), maintenance recommendations (lubrication intervals, wear inspection methods), and troubleshooting for gear noise or torque loss issues. Average response time <2 hours.
- Cost-effective reliability: Delivers OEM-level transmission performance at a competitive price. High-hardness alloy gear materials and precision-machined carrier discs extend service life by 76% vs. generic component sets, reducing long-term replacement costs by 45%. Minimizes unplanned downtime from transmission failures—preventing costly project delays or equipment damage.
About SPARKLING MACHINERY:
- Founded in 2013, SPARKLING focuses on high-quality excavator parts across hydraulics, undercarriage, engines and electrical systems. We prioritize stability, precision and continuous service, offering worldwide distribution, tailored solutions and strict QC to help customers reduce cost and increase uptime.
Get In Touch:
- Replace your failing ECU confidently. Contact SPARKLING for pricing, lead time, and technical support — restore optimal machine control quickly and reliably.
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📦 Packing
1. Packaging methods: Carton box + Wooden case/Pallet + Anti-rust treatment
2. Export-standard packaging to ensure safety during transportation
3. Custom packaging available upon request
4. Dimensions and weight can be provided for freight calculation



🚚 Shipping
1. Available shipping methods: Sea freight, Air freight, Express delivery (DHL, UPS, FedEx, etc.)
2. LCL (Less than Container Load) and FCL (Full Container Load) options are supported
3. For Russian clients, we can introduce the forwarder agent to you
4. Delivery time: Ships within 1-3 working days after payment (for items in stock)
💳 Payment
1. Accepted methods: T/T, Bank Transfer, PayPal, Alipay, WeChat Pay, Western Union
2. Deposit + balance payment available for large or custom orders
3. Flexible payment options—feel free to contact us for details
📌 Frequently Asked Questions (FAQs)
Q: Which excavator models is this part compatible with?
A: This product is compatible with major brands such as CAT, KOMATSU, HITACHI, and more. Custom specifications are also available.
Q: How can I make sure I’m selecting the correct part?
A: You can send us a photo of the old part, part number, or your excavator model, and we will help you confirm the right match.
Q: Is there a warranty for this product?
A: Yes, we offer a 6-month quality guarantee under normal use.
Get a free quote
We are committed to producing the highest quality products at the most competitive prices. Therefore, we sincerely invite all interested companies to contact us for more information.


Sparkling Machinery Co.,Ltd
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