![Briggs & Stratton 5138B Engine Tune-Up Kit - Fits 550E (X) & most 400[E] to 500[E]](https://www.primeagriparts.com/wp-content/uploads/2026/09/Briggs_Stratton_5138B_Engine_Tune-Up_Kit_For_Sale.jpg)
Description
Engine Maintenance Kit for Briggs & Stratton fits 550E (X) and most 400[E] to 500[E]. Replaces 5138B. Contains 1 each Rotary item 11547 (Air Filter), 14364 (Air Filter), 11220 (Spark Plug), and 1 ea. 18 oz. bottle of SAE 30 (4 cycle oil).
Replaces:
- BRIGGS & STRATTON 5138B
