Finding the right grass bag for a push lawn mower can improve bagging performance, reduce maintenance, and keep lawns tidy. The following selections focus on compatibility with common 21-inch walk-behind mowers and those that directly replace or fit Troy-Bilt and similar models. Each option emphasizes durability, fit, and ease of use to support efficient lawn care across weather conditions.
| Product | Brand | Key Focus |
|---|---|---|
| TitanCovers Lawn Mower Cover | TITANCOVERS | Durable bag-style protection not a catcher bag |
| Lawnmower Grass Bag 964-04117A | Kscjdg | Popular replacement bag for Troy-Bilt/MTD series |
| Outdoors Lawn Mower Cover | CHGANG | Cover option for outdoor storage |
| 964-04007A 664-04007 Grass Bag | Braveboy | Replacement bag for multiple 21″ mowers |
| 964-04117A 664-04117A Lawnmower Grass Bag | RO6G | Compatibility with TB110/TB210 family |
| Zettum Push Lawn Mower Cover | Zettum | Heavy-duty cover alternative for protection |
Braveboy 964-04007A Grass Bag

Part numbers and compatibility indicate this 21-inch bag replacement supports a wide range of Troy-Bilt models. It is listed as a grass collection bag without a frame, focusing on straightforward bag replacement for walk-behind mowers. Compatibility notes include 964-04011, 664-04034 series, and various 21-inch Troy-Bilt variants. The product’s emphasis is on replacement capacity rather than a full catcher system, aligning with users seeking quick bag swaps without additional hardware.
RO6G 964-04117A Lawnmower Grass Bag

This grass bag is positioned as a replacement part for Troy-Bilt/TB-series 21-inch mowers, compatible with TB110, TB210, TB260, TB280ES, TB130, TB230, and TB280. It emphasizes compatibility across multiple 11A/12A-era models and similar brands that share the same bag interface. The listing highlights replacement part numbers 964-04117A, 664-04117A and related variants, suggesting broad cross-model applicability for bag-only setups without a catcher frame.
CHGANG Lawn Mower Cover With Drawstring

While primarily a cover, this option addresses storage needs for push mowers and offers a universal fit with a 76.7 by 25.9 by 42.5-inch footprint. The design purpose emphasizes windproofing and protection from rain, sunlight, and dust. It serves as a practical alternative when a dedicated grass bag is not used, helping extend mower life during off-season storage or outdoor exposure.
RO6G 664-04117A Lawnmower Grass Bag

This listing consolidates several part numbers to help buyers confirm compatibility for 21-inch Troy-Bilt and similar models. Emphasis is on the bag as a short-term replacement piece for existing catchers, focusing on ensuring a secure fit with minimal modification. It’s suitable for users who need a direct bag replacement to maintain efficient grass collection without investing in a complete catcher frame.
MZS Lawn Mower Cover With Zipper

Although presented as a cover, this product offers a universal fit up to 25 by 74 inches, including several 21-inch walk-behind mowers. It features a zipper and double PU coating for enhanced weather resistance, UV protection, and tear resistance. This option is useful when users want to keep mowers in top condition between uses or storage seasons, especially in climates with heavy rainfall or sun exposure.
Zettum Push Lawn Mower Cover

Zettum’s 74 by 25 by 39-inch cover is designed for broad compatibility with many brands, including Honda, Husqvarna, Cub Cadet, Toro, John Deere, and more. It uses a 600D canvas with PU coating for waterproofing and enhanced breathability. The design emphasizes easy on/off use and robust protection against rain, wind, and sun, making it a solid option when a bag is not required or available.
Buying Guide: Key Considerations for Selecting the Best Bag or Cover
- Compatibility: Verify deck size and model compatibility (commonly 21-inch walk-behind mowers) and whether the bag is designed for replacement only or for full catcher frames.
- Material and Durability: Look for sturdy 600D or 420D Oxford fabrics, PU waterproof coatings, and reinforced seams to withstand outdoor conditions.
- Weather Resistance: If choosing a bag, prioritize tear resistance and secure closures. If choosing a cover, prioritize windproofing, UV resistance, and waterproofing.
- Fit and Ease of Use: Consider double drawstrings or drawcords for a snug fit, and check for easy installation/removal when selecting a bag or a cover.
- Maintenance and Storage: Bags should be easy to clean and store when not in use; covers should fold compactly and be weather-friendly for long-term storage.
- Replacement Availability: For bags, verify compatible part numbers (e.g., 964-04117A, 664-04117A, 964-04007A) to ensure you get a precise fit for your mower model.
- Versatility: Some covers work across many brands; bags focus on specific mower families. Weigh the benefits of a universal cover versus model-specific bags.
When choosing between a bag and a cover for push lawn mowers, consider your typical weather patterns, storage options, and whether you need quick bag replacements or long-term protective storage. The listed products offer a range of compatibility and protective features to suit different mower models and user preferences.