Same-day shipping on orders before 2 PM ETFree freight over $300NET-30 terms for qualified accounts+1 (646) 325-7236

Loading verified parts…

Matching MPNs, fitment notes, and live stock.

Generac 7991 4.5L; 48kW Scheduled Maintenance Kit

Be the first to review this part

Generac 7991 4.5L 48kW Scheduled Maintenance Kit Oil Filter - 10000013438 (Quantity 1) Spark Plug - 10000016844 ( Quantity 4 ) Air Filter - A0000080542 ( Quantity 1

Direct OEM replacement for Generac part #7991
Generator component - verify application in manual
Catalog pricing from $123.99 with 1 offers
Drop-in fit - match 7991 on old unit or manual

In Stock — Ready to ShipSale −20%$79.97List $99.97Save $20.00Same-day shipping on orders before 2 PM ET

Quantity

Generac 7991 4.5L; 48kW Scheduled Maintenance Kit

$79.97$99.97In stock

In Stock · Ready to Dispatch

Orders before 2:00 PM EST ship same business day.

Exact MPN Verified Fitment

Guaranteed compatibility or 30-day hassle-free return.

Commercial Freight & Express Available

Free standard shipping on orders over $300.

Product & Logistics Specifications

Helpful guides for Generators & power equipment

Find Your Generator Controller Part NumberHow to read the MPN off Generac Nexus/Evolution, Kohler APM402, and Cummins Onan controllers so you order the exact board the first time.Read

Customer Reviews & Fitment Feedback

Real-world installation feedback from equipment owners for Generac 4.5L

Install it? Be the first to review.

Have you fitted this part on your equipment? Share what worked, how the connectors lined up, and how the machine behaved after — your verified feedback helps other technicians, mechanics, and RV owners order with confidence.