SHOCK REAR YFM 350 400 450 GRIZZLY, BRONCO AU-04418 HEAVY DUTY, ATV YAMAHA
4.1 Trustpilot 99.9% positive on eBay
Free UK delivery 2–4 business days
Spread the cost with 18+, T&Cs apply
Bronco Heavy Duty Gas Shocks are designed for long-term, consistent performance, offering a more reliable alternative to stock oil-only damped shocks. These shocks feature 10% stiffer springs for enhanced ride quality and increased load capacity, and are suitable for front installation when using a snow plow. The sleek black finish blends seamlessly with OEM ATV aesthetics. Designed as a direct bolt-on replacement, the pre-installed spring allows for easy installation. Sold individually, each shock includes one shock, a spring, and spring retainers. Specifications include: Top Hole I.D: 10 mm, Top Eyelet Width: 30 mm, Bottom Hole I.D: 10 mm, Bottom Eyelet Width: 30 mm, Tube O.D: 38 mm, Stroke: 98.5 mm, Spring O.D: 68 mm, Spring Wire Diameter: 8.5 mm, and Center to Center: 375 mm (14 3/4 inches). Cross reference number: 1CT-F2210-00-00. These shocks are an ideal choice for improving performance, handling, and load capacity for heavy-duty applications.
- SKU
- 29-5788
- Brand
- Bronco
- Availability
- In Stock (7)
Fitments (12)
| Make | Model | Year |
|---|---|---|
| YAMAHA | GRIZZLY 400 | 2008 |
| YAMAHA | GRIZZLY 450 | 2008 |
| YAMAHA | GRIZZLY 450 | 2009 |
| YAMAHA | GRIZZLY 450 | 2010 |
| YAMAHA | GRIZZLY 450 | 2011 |
| YAMAHA | GRIZZLY 450 | 2012 |
| YAMAHA | GRIZZLY 450 | 2013 |
| YAMAHA | GRIZZLY 450 | 2014 |
| YAMAHA | GRIZZLY IRS 350 | 2008 |
| YAMAHA | GRIZZLY IRS 350 | 2009 |
| YAMAHA | GRIZZLY IRS 350 | 2010 |
| YAMAHA | GRIZZLY IRS 350 | 2011 |
- General Product Group
- Suspension & Drive Parts
- General Product Type
- Shock Absorbers
- Variant Id
- 232198
FULL DESCRIPTION
Bronco Heavy Duty Gas Rear Shock Absorber
Upgrade your ATV with the Bronco Heavy Duty Gas Shock Absorber, designed for consistent and reliable performance. This heavy-duty gas shock offers a significant improvement over standard oil-damped shocks.
Key Features:
- 10% Stiffer Springs: Provides enhanced ride quality and increased load-carrying capacity.
- Snow Plow Compatible: Ideal for front applications when installing a snow plow for added durability.
- Sleek Black Finish: Features a smooth black color that integrates seamlessly with your ATV's OEM aesthetics.
- Direct Bolt-On Replacement: Comes with a pre-installed spring for straightforward installation right out of the box.
- Sold Individually: Each unit includes one shock absorber with the spring and spring retainers.
Specifications:
- Top Hole I.D: 10 mm
- Top Eyelet Width: 30 mm
- Bottom Hole I.D: 10 mm
- Bottom Eyelet Width: 30 mm
- Tube O.D: 38 mm
- Stroke: 98.5 mm
- Spring O.D: 68 mm
- Spring Wire Diameter: 8.5 mm
- Center to Center Length: 375 mm (14 3/4 inches)
This Bronco Heavy Duty Gas Shock is engineered to enhance the performance and handling of your ATV, making it a perfect choice for demanding applications and general use.
QUESTIONS? JUST ASK
Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00.
Check the fitment table on this page against your make, model and year. Not sure? Call or email us and we will check it for you before you order.
UK delivery is £4.99, or free on orders over £60. Orders ship within 3 working days, then delivery takes 2–4 business days. Delivery details
Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy
By card, PayPal, Apple Pay or Google Pay, or spread the cost with Klarna. Payment is taken securely by Stripe, and the options for your order are shown at checkout.
More answers in our FAQ.
Trade pricing available
Buying parts for your business? Apply for a 2BrosParts trade account.


