
Part Name: MUFFLER 4N7870
Part Number: 4N7870
Basic Info.
Part no. | 4N7870 | Material | steel |
Type | MUFFLER | Part Type | Engine Parts |
Compatibility | Caterpillar | Transport Package | Wooden box |
Trademark | DIRON | Origin | Luoyang City |
HS Code | 84099991 | Production Capacity | 5000PCS/Year |
Product Description
- Part Number: 4N7870
- Part Type: MUFFLER
- Description: Replacement Part MUFFLER 4N7870 for Caterpillar, New

The Muffler 4N7870 is a new replacement part designed for aftermarket use in Caterpillar machinery. The brand name Caterpillar is used solely as reference information to indicate compatibility and does not imply that this product is an OEM part.
Specifications:
- Part Number: 4N7870 (also referenced as 4N-7870 or CA4N7870; cross-referenced with 1123249, 4N8941)
- Part Type: Muffler Assembly (Exhaust Muffler)
- Material: Typically constructed from high-grade steel or aluminized steel with corrosion-resistant coatings to withstand high temperatures and harsh environmental conditions
- Weight: Approximately 10–30 lbs (4.5–13.7 kg), depending on the specific configuration
- Condition: New, aftermarket
- Features:
- Engineered to reduce engine exhaust noise and direct gases safely away from the operator
- Optimized for low backpressure to maintain engine efficiency and performance
- Includes mounting flanges or clamps for secure installation
- Resistant to vibration, heat, and corrosion for extended service life in rugged applications
Compatible Equipment Models:
This replacement muffler is compatible with various Caterpillar machinery, primarily motor graders, wheel loaders, and track-type tractors, including but not limited to:
- Motor Graders: 12G, 14G, 120G, 130G, 140G, 160G
- Wheel Loaders: 930
- Track-Type Tractors: D4E, D6C, D6D, D6G, D7E
Important Note:
- The OE name Caterpillar, Cummins, Komatsu are only used as reference information in here. does not mean our product are OEM. We only work replacement products, are used those machineries in aftermarket.
- While this description provides general information, specific details such as size, weight and exact material may vary by manufacturer and specific application. To obtain the most accurate and up-to-date information, it is recommended to consult a qualified parts supplier such as DIRON PARTS.
FAQ
Q1. What is your terms of packing?
A: Generally, we pack our goods in neutral white boxes and brown cartons. If you have legally registered patent, we can pack the goods in your branded boxes after getting your authorization letters.
Q2. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages before you pay the balance.
Q3. What is your terms of delivery?
A: FOB
Q4. How about your delivery time?
A: Generally, it will take 20 to 30 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.
Q5. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.
Q6. What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost.
Q7. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery
Q8. How do you make our business long-term and good relationship?
A:1. We keep good quality and competitive price to ensure our customers benefit ;
2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from
ABOUT DIRON
- Factory OF DIRON
Diron Parts Group Have Its Own Factory Ensure That We Offer Better Price For Customers. Besides, Diron Corporate With Some Reliable Principal Manufacturers, So Diron Also Supply Customer Other Quality Spare Parts.








- Team OF DIRON
With 18 years of manufacturing and exporting experience, Diron has a team of knowledgeable engineers, inspectors and technical workers, sales staff, after-sales personnel.


- Products OF DIRON
As a distributor, we supply parts covers for :Complete engines, Long block, Short block, Engine spare parts, Electricla products, Hydraulic products, Transmission products, Undercarridge products.Among them, Cylinder head, Cylinder block, Spacer-plate, Bushing & Pin are our best-selling products.







