Bevel Gear Assy, Rear Gear Case

Brand: Mortch Motor
Product Code: MICFQ820-3300B0

Product Viewed: 239

Availability: Pre-Order

Weight: 1.92kg

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US$84.33

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CF Moto Rear Gear Case Bevel Gear Assembly

Part Number: Q820-3300B0

Replaced by: Q820-3300C0 (works with M12 bolt)

Drive Pinion Gear: M10 | 14T / 25mm | 9T / 49mm | Length: 100mm

Differential Gear: 33T / 142mm | Center Hole: 35mm | Hole to hole: 31mm (Center to center)

Product Type: Drivetrain | Rear Gear Case Bevel Gear

Product Description: OEM specification rear gear case bevel gear assembly, including drive pinion gear and differential gear. Suitable for multiple CF Moto ATV models and police versions, covering 400cc-625cc displacement. Original part number Q820-3300B0 has been replaced by new part number Q820-3300C0, which requires M12 bolt for installation.

📋 Product Overview

This product is an OEM specification rear gear case bevel gear assembly for CF Moto vehicles, original part number Q820-3300B0, now replaced by new part number Q820-3300C0. This assembly is the core component of the rear drive axle, consisting of the drive pinion gear and differential gear, transmitting power from the driveshaft to the rear wheels while providing differential function. Manufactured from high-quality alloy steel with precision machining and heat treatment, it ensures high meshing accuracy, strong load capacity, low noise, and long service life. The original part number Q820-3300B0 has been updated to Q820-3300C0, which requires M12 bolt for installation. Suitable for multiple CF Moto ATV models and police versions covering 400cc-625cc displacement, including CForce, IRON, COBALT, GOES TERROX series, it is an ideal choice for drivetrain repair and replacement.

Key Information:

Original Part Number: Q820-3300B0
Replacement Part Number: Q820-3300C0 (works with M12 bolt)
Product Name: Rear Gear Case Bevel Gear Assembly
Includes: Drive Pinion Gear + Differential Gear
Drive Pinion Gear Specs: M10 | 14T / 25mm | 9T / 49mm | Length 100mm
Differential Gear Specs: 33T / 142mm | Center Hole 35mm | Hole to hole 31mm (Center to center)
System: Drivetrain
Applicable Displacement: 400cc - 625cc

🔄 Replacement Note: Part number Q820-3300B0 has been replaced by new part number Q820-3300C0, which requires M12 bolt for installation. They are fully compatible, and you can confidently use the new part number. Please refer to the new part number when ordering.

📐 Specifications

Drive Pinion Gear

Teeth: 14T / 9T

Diameter: 25mm / 49mm

Length: 100mm

Bolt Spec: M10

Differential Gear

Teeth: 33T

Diameter: 142mm

Center Hole: 35mm

Hole to hole: 31mm (Center to center)

Part Number:

Q820-3300B0

Replaced by: Q820-3300C0

🔧 Complete Fitment List

🏍️ 600cc / 625cc Models

ATV CF600ATR-2L(T3b) CForce 625 Touring
ATV CF600ATR-2L(T3b)(GD) CForce 625 Touring
ATV CF600ATR-2L(T3b)(HLG) CForce 625 Touring
ATV CF600ATR-2L(T3b)(SS) CForce 625 Touring
ATV CF600ATR-2LC CForce 625 Touring
ATV CF600ATR-2LC(GD) CForce 625 Touring
ATV CF600ATR-2LC(HLG) CForce 625 Touring
ATV CF600ATR-2LC(SS) CForce 625 Touring
ATV CF600ATR-2S(T3b) CForce 625
ATV CF600ATR-2S(T3b)(GD) CForce 625
ATV CF600ATR-2S(T3b)(HLG) CForce 625
ATV CF600ATR-2S(T3b)(SS) CForce 625
ATV CF600ATR-2SC CForce 625
ATV CF600ATR-2SC(GD) CForce 625
ATV CF600ATR-2SC(SS) CForce 625
ATV CF600AU-3L CForce 600 Touring/625 Touring
ATV CF600AU-3L(AU) CForce 600 Touring/625 Touring
ATV CF600AU-3L(CA) CForce 600 Touring
ATV CF600AU-3L(HLG) CForce 600 Touring
ATV CF600AU-3L(RU) CForce 600 Touring
ATV CF600AU-3L(US) CForce 600 Touring
ATV CF600AU-3LA CForce 600 Touring/625 Touring
ATV CF600AU-3LA(AU) CForce 600 Touring/625 Touring
ATV CF600AU-3LA(RU) CForce 600 Touring/625 Touring
ATV CF600AU-3LA(ST) CForce 600 Touring/625 Touring
ATV CF600AU-3LA(US) CForce 600 Touring/625 Touring
ATV CF600AU-3LF CForce 600 Touring/625 Touring
ATV CF600AU-3LF(GD) CForce 600 Touring/625 Touring
ATV CF600AU-3LF(HLG) CForce 600 Touring/625 Touring
ATV CF600AU-3S CForce 600/625
ATV CF600AU-3S(AU) CForce 600/625
ATV CF600AU-3S(CA) CForce 600/625
ATV CF600AU-3S(HLG) CForce 600/625
ATV CF600AU-3S(RU) CForce 600/625
ATV CF600AU-3S(US) CForce 600/625
ATV CF600AU-3SA CForce 625 EPS
ATV CF600AU-3SA(AU) CForce 625 EPS
ATV CF600AU-3SA(RU) CForce 625 EPS
ATV CF600AU-3SA(US) CForce 625 EPS
ATV CF600AU-3SF CForce 600
ATV CF600AU-3SF(HLG) CForce 600
ATV CF600AU-L(EU168) CForce 600
ATV CF600AZ-3L(CA) CForce 600
ATV CF600AZ-3L(US) CForce 600
ATV CF600AZ-3LA(CA) CForce 600 Touring
ATV CF600AZ-3LA(US) CForce 600 Touring
ATV CF600AZ-3S(CA) CForce 600
ATV CF600AZ-3S(US) CForce 600
ATV CF600AZ-3SA(CA) CForce 600
ATV CF600AZ-3SA(US) CForce 600

🏍️ 500cc / 520cc / 550cc Models

ATV CF500ATR-9L(T3a) CForce 520 L
ATV CF500ATR-9L(T3b) CForce 520 L
ATV CF500ATR-9L(T3b)(GD) CForce 520 L
ATV CF500ATR-9L(T3b)(HLG) CForce 520 L
ATV CF500ATR-9L(T3b)(SS) CForce 520 L
ATV CF500ATR-9S(T3a) CForce 550
ATV CF500ATR-9S(T3b) CForce 550
ATV CF500ATR-9S(T3b)(GD) CForce 550
ATV CF500ATR-9S(T3b)(HLG) CForce 550
ATV CF500ATR-9S(T3b)(SS) CForce 550
ATV CF500AU-10S(US) CForce 500 S
ATV CF500AU-6B CForce 550
ATV CF500AU-7A CForce 520S
ATV CF500AU-7C CForce 520L
ATV CF500AU-7C(HLG) CForce 520L
ATV CF500AU-7LF CForce 520L
ATV CF500AU-7LF(HLG) CForce 520L
ATV CF500AU-7SF CForce 500S/CForce 520S
ATV CF500AU-7SF(GD) CForce 500S/CForce 520S
ATV CF500AU-8L COBALT MAX L7e
ATV CF500AU-8S COBALT L7e
ATV CF500AU-9L CForce 520 L
ATV CF500AU-9L(GD) CForce 520 L
ATV CF500AU-9L(HLG) CForce 520 L
ATV CF500AU-9L(RU) CForce 520 L
ATV CF500AU-9L(ST) CForce 520 L
ATV CF500AU-9S CForce 520/CForce 500
ATV CF500AU-9S(GD) CForce 520
ATV CF500AZ-10S(CA) CForce 500
ATV CF500AZ-10S(US) CForce 500
ATV CF500AZ-9S CForce 500/CForce 520
ATV CF500AZ-9S(AU) CForce 500/CForce 520
ATV CF500AZ-9S(CA) CForce 500/CForce 520
ATV CF500AZ-9S(US) CForce 500/CForce 520

🏍️ 400cc / 450cc Models

ATV CF400ATR-3L(T3a) CForce 450 L
ATV CF400ATR-3L(T3b) CForce 450 L
ATV CF400ATR-3L(T3b)(HLG) CForce 450 L
ATV CF400ATR-3L(T3b)(SS) CForce 450L
ATV CF400ATR-3S(T3a) CForce 450
ATV CF400ATR-3S(T3a)(HLG) CForce 450
ATV CF400ATR-3S(T3b) CForce 450
ATV CF400ATR-3S(T3b)(GD) CForce 450
ATV CF400ATR-3S(T3b)(HLG) CForce 450
ATV CF400ATR-3S(T3b)(SS) CForce 450
ATV CF400AU-2L IRON MAX L7e
ATV CF400AU-2S IRON L7e
ATV CF400AU-3L CForce 450L
ATV CF400AU-3S CForce 450S
ATV CF400AU-3S(GD) CForce 450S
ATV CF400AU-3S(HLG) CForce 450S
ATV CF400AU-6S(US) CForce 450S
ATV CF400AU-A CForce 450S
ATV CF400AU-A(HLG) CForce 450S
ATV CF400AU-B CForce 450L
ATV CF400AU-B(HLG) CForce 450L
ATV CF400AU-LF CForce 450L
ATV CF400AU-SF CForce 450S
ATV CF400AU-SF(GD) CForce 450S
ATV CF400AU-SF(HLG) CForce 450S
ATV CF400AZ-3L CForce 400 TOURING/CForce 450 L
ATV CF400AZ-3L(CA) CForce 400 TOURING
ATV CF400AZ-3L(RU) CForce 450 L
ATV CF400AZ-3L(ST) CForce 450 L
ATV CF400AZ-3S CForce 400/CForce 450
ATV CF400AZ-3S(AU) CForce 450S
ATV CF400AZ-3S(CA) CForce 450S
ATV CF400AZ-3S(ST) CForce 450S
ATV CF400AZ-3S(US) CForce 450S
ATV CF400AZ-6L(CA) CForce 400 TOURING
ATV CF400AZ-6S(CA) CForce 400 Classic
ATV CF400AZ-6S(US) CForce 450S

👮 Police Models

POLICE MOTORCYCLE CF400AU（X4 Police） CForce 400S
POLICE MOTORCYCLE CF400AU-3L(Fire Service) CForce 450L
POLICE MOTORCYCLE CF400AZ-3L(Fire Service) CForce 450L
POLICE MOTORCYCLE CF600AU-L（X6 Police） CForce 600

📌 Fitment Note: This rear gear case bevel gear assembly (original part number Q820-3300B0, now replaced by Q820-3300C0) fits all CF Moto ATV and police models listed above, covering 400cc-625cc displacement. Please verify your specific model is included in the list before purchasing. If you have any questions, please contact our customer service with your Vehicle Identification Number (VIN) for compatibility confirmation.

⚠️ Gear Failure Signs & Installation Tips

Signs that bevel gear needs replacement:

"Whining" or "clunking" noise during driving
Rear axle noise when accelerating or decelerating
Worn or chipped gear teeth
Rear axle oil leakage
Excessive backlash

Installation Tips:

Important: New part number Q820-3300C0 requires M12 bolt for installation.
Check gear meshing pattern before installation
Adjust gear backlash and preload
Use proper tools for bearing installation
Fill with appropriate gear oil
Perform road test after installation

📌 Important Notice: This product is a CF Moto OEM specification rear gear case bevel gear assembly, original part number Q820-3300B0, now replaced by new part number Q820-3300C0, which requires M12 bolt for installation. It fits numerous CF Moto ATV and police models listed above. Rear axle gear installation and adjustment require professional expertise; installation by a qualified technician is strongly recommended. Images are for reference only; the actual product may vary.

🔧 Compatibility Notice

Please verify that this part fits your specific vehicle model and year. Many vehicles share similar names but use different components depending on year or market region.
We strongly recommend cross-checking with your vehicle's owner's manual or contacting us for confirmation before placing your order.

📄 Product Disclaimer

Product images, measurements, and descriptions are for reference only. Slight variations in color or appearance may occur due to manufacturing batches or photography lighting—functional specifications remain identical to the ordered part.
Professional installation is mandatory. Mortch Motor assumes no liability for damages, injuries, or losses resulting from improper installation, misuse, unauthorized modification, or abnormal operation.

💰 Import Duties & Taxes

All listed prices EXCLUDE shipping costs, import duties, taxes, and customs clearance fees. These charges (if applicable) are determined and collected by your local customs authority and are solely the buyer's responsibility.
In case of return due to unpaid duties/taxes or refusal to clear customs, the buyer shall bear the original shipping cost, return shipping fees, and any associated administrative charges deducted from the refund.

📌 Order Confirmation: By completing your purchase, you acknowledge that you have read, understood, and agreed to all terms above. For any questions, please contact our support team prior to ordering.