Shopping for: Confirm the part against your engine serial number and application before ordering.
Change engine
LSV-5678 SAFETY VALVE
Commercial diesel air brake. Match the listed part and engine identifiers before ordering.
2-Year WarrantyPAI Industries
$49.19$53.51
Save $4.32
In stock — ships same day
3 available
PAI Part #LSV-5678
JAK'S Part #JAKS-LSV-5678
Complete The Rebuild
Suggested Additional Parts
Commonly sold with this product. These parts are sold separately.
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380301Cat / Caterpillar 3406B SERIES FUEL LINE(#1) (Pack of 2) In stock -
380305Cat / Caterpillar 3406B SERIES FUEL LINE(#5) (Pack of 2) In stock -
392049Cat / Caterpillar C15 ENGINE OUTER VALVE SPRING (Pack of 6) In stock -
321320Caterpillar 3406E / C15 / C16 O-Ring In stock -
336055Cat / Caterpillar WASHER SEAL (Pack of 5) In stock
| Brand | PAI Industries |
SAFETY VALVE
OEM cross-references:
- NAVISTAR 1676692C1
- MACK 745-205105
- PAI LSV-5678
Warranty: 24 months
Most PAI parts carry a 2-year unlimited-mileage PAI warranty — 3 years on the High Performance tier, 1 year on Excel by PAI. See Warranty & Returns for full coverage terms, or call a specialist to confirm the exact coverage on this part.
PAI published warranty tiers: High Performance — 3-Year · Genuine PAI — 2-Year · Excel — 1-Year, unlimited mileage. The badge beside the price shows this product's recorded term; when no badge is shown, confirm coverage with a specialist.





