# TLDR Review: Briggs & Stratton 5043K Air Filter

*Published: 2026-01-25 | Updated: 2026-01-25 | Source: https://shopsavvy.com/reviews-tldr/briggs-and-stratton-5043k-air-filter*

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## Product: Briggs & Stratton 5043K Air Filter
**Brand:** Briggs & Stratton

## Pros
- Reliably improves mower performance by restoring engine efficiency and smooth operation.
- Durable and effective over long-term use, helping keep the mower running optimally.
- Easy to change, making routine maintenance straightforward.
- Using a new filter each season is recommended to maintain peak mower function.
- Works as an excellent replacement for original Briggs & Stratton air filters, including for Mastercraft mowers.
- Compatible with cleaning methods like air compressor use and gentle vacuuming to extend filter life temporarily.
- Significantly more affordable than buying OEM parts directly from retailers like Sears, while maintaining similar quality and appearance.
- Helps resolve engine power issues, including cutting out and difficulty starting.
- Encouraged to keep a spare filter on hand to avoid interruptions during mowing season.
- Filter discoloration visually signals when it’s time for replacement, supporting preventative maintenance.

## Cons
- The product is considered significantly overpriced compared to similar or branded alternatives available at lower prices.
- Retail markup can be notably high, which may not justify the cost for some buyers.

## Bottom Line

If you want a dependable air filter that restores your mower’s power and keeps your engine running smoothly, the Briggs & Stratton 5043K is a solid OEM replacement choice, especially if you’re using a compatible 3.5 - 11.0 HP engine. However, the price is on the steep side compared to other similar filters, so if budget is a concern, you might want to consider more affordable alternatives that don’t sacrifice much in quality or performance. Keeping a spare on hand and replacing it seasonally will definitely help your lawnmower stay in top shape.

## Pros vs Cons at a Glance

| Pros | Cons |
|------|------|
| Reliably improves mower performance by restoring engine efficiency and smooth operation. | The product is considered significantly overpriced compared to similar or branded alternatives available at lower prices. |
| Durable and effective over long-term use, helping keep the mower running optimally. | Retail markup can be notably high, which may not justify the cost for some buyers. |
| Easy to change, making routine maintenance straightforward. |  |
| Using a new filter each season is recommended to maintain peak mower function. |  |
| Works as an excellent replacement for original Briggs & Stratton air filters, including for Mastercraft mowers. |  |
| Compatible with cleaning methods like air compressor use and gentle vacuuming to extend filter life temporarily. |  |
| Significantly more affordable than buying OEM parts directly from retailers like Sears, while maintaining similar quality and appearance. |  |
| Helps resolve engine power issues, including cutting out and difficulty starting. |  |
| Encouraged to keep a spare filter on hand to avoid interruptions during mowing season. |  |
| Filter discoloration visually signals when it’s time for replacement, supporting preventative maintenance. |  |

## Current Prices

| Retailer | Price | Availability |
|----------|-------|-------------|
| Lowes | $0.98  | In Stock |
| PlumbersStock.com | $4.72  | In Stock |
| Hardware & Moreee | $5.44  | In Stock |
| Shell Lumber and Hardware | $5.44  | In Stock |
| MID Hardware | $5.50  | In Stock |
| SupremeDIY.com | $5.52  | In Stock |
| Ideal True Value Home Center | $5.57  | In Stock |
| Cable Ranch | $5.64  | In Stock |
| Ideal True Value Home Center | $5.78  | In Stock |
| Fleet Farm | $5.79  | In Stock |
| Amazon | $5.98  | In Stock |
| zorotools.com | $6.09  | In Stock |
| Zoro Tools Industrial Supplies | $6.11  | In Stock |
| Briggs Stratton Store | $6.12  | In Stock |
| Farm Parts Store | $6.20  | In Stock |
| Small Engines Pro Dealer | $6.21  | In Stock |
| SHC Supply | $6.29  | In Stock |
| Big R | $6.49  | In Stock |
| Max Warehouse | $6.50  | In Stock |
| National Supply Network | $6.65  | In Stock |

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*About this review: We pulled together findings from professional and user reviews, and cross-referenced them with ShopSavvy's pricing data from thousands of retailers to give you the short version.*