Intake Manifold compatible with Isuzu® 3.9 Series Add to cart Intake Manifold, Isuzu NPR/NQR 1992-1998 3.9 4BD2 Diesel Intake Manifold, 3.9 Series, ISUZU $145.00 5.2 Series -17% Add to cart Intake Manifold Isuzu NPR/NQR 4HK1 5.2 Diesel Intake Manifold, 5.2 Series, ISUZU $150.00 Original price was: $150.00.$125.00Current price is: $125.00. 7.8 Series Add to cart Intake Manifold, Isuzu 6HK1 7.8 Diesel Intake Manifold, 7.8 Series, ISUZU $150.00