MX-5 Mk1 Electrical parts Home / Mazda MX-5 parts / Electrical parts MX-5 / MX-5 Mk1 Electrical parts Alternator adjuster bolt, Mazda MX-5 mk1 1.6, 100mm, new Alternator adjuster bolt, Mazda MX-5 mk1 1.6, 100mm, new £4.00 Excluding VAT Stock Status: In Stock New alternator adjuster bolt, Mazda MX5 or Eunos Roadster mk1 1.6, 100mm long. NM01143. Add to wishlist Information Specifications Reviews New alternator adjuster bolt, Mazda MX5 or Eunos Roadster 1.6 mk1, 1989-93. This is the 100mm long adjuster bolt that is threaded through the spacer block to tension the alternator multi-rib belt. Note that this bolt has a 13mm head as opposed to the original 12mm head. NM01143. Product Code: NM01143 Not yet reviewed Write an online review and share your thoughts with other shoppers! Be the first to review this product You May Also Like Alternator adjuster spacer block, Mazda MX-5 1.6 mk1, USED £4.00 Alternator mounting bolt, upper, Mazda MX-5 1.6 mk1, 907940825, USED £1.50 Alternator mounting bracket, Mazda MX-5 1.6 mk1, B61P18360A, USED £5.00 Alternator mounting nut & bolt, lower, Mazda MX-5 1.6 mk1, USED £4.21