Welcome to PartsDuck, the customer-first parts store.

Mercury Marine / Quicksilver  |  SKU: B-OEM454

OEM MerCruiser 7.4L / 454 / 502 OEM Exhaust Manifold & Riser Bundle – 807078T08, 807988Q03

Sale price $1,100.00 Regular price $1,500.00

🛡️ Lifetime Parts Guarantee

We’ve got your back: For real, For life. Learn More

Quick Shipping, Free over $100

In stock items ship same or next business day. $3.99 flat rate, or free over $100.

Phone Support (856) 666-7986

Call us with questions 9-5 Monday - Friday.

(856) 666-7986

No Fee Returns for 30 Days

Call us with questions 9-5 Monday - Friday.

(856) 666-7986

Description

OEM MerCruiser 454 / 502 Exhaust Manifold & Riser Kit – Center Riser, 4"

This OEM MerCruiser exhaust kit fits big block 7.4L (454) and 8.2L (502) V8 engines with center riser exhaust and 4" outlets, typically found on models from 1983 to 2002.

Includes:

  • (2) OEM MerCruiser Exhaust Manifolds – Part #807078T08 (replaces 807078T10)
    Includes manifold-to-head gaskets

  • (2) OEM 4" Riser Elbows – Part #807988Q03 (7-degree)
    Replaces 807914A1, 807988A03