.pt{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Helvetica,Arial,sans-serif;font-size:14px;color:#1c1c1c;line-height:1.6;max-width:880px} .pt-header{border-top:3px solid #1c1c1c;padding:12px 0 8px;margin-bottom:16px} .pt-mfr{font-size:11px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:#888;margin-bottom:4px} .pt-tags{margin-top:6px;display:flex;flex-wrap:wrap;gap:5px} .pt-tag{display:inline-block;font-size:10px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;border:1px solid #d8d8d8;padding:2px 7px;color:#555} .pt-lead{font-size:14px;line-height:1.65;color:#1c1c1c;margin-bottom:18px;border-left:3px solid #1c1c1c;padding-left:12px} .pt-series{background:#f0f7ff;border:1px solid #cce0f5;padding:14px 16px;margin:16px 0;border-radius:4px} .pt-series-title{font-size:10px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:#1a3a52;margin-bottom:8px} .pt-series-body{font-size:13px;color:#333;line-height:1.7} .pt-tbl{width:100%;border-collapse:collapse;margin-bottom:14px;font-size:13.5px} .pt-tbl tr:nth-child(even) td{background:#f8f8f8} .pt-tbl td{padding:7px 10px;border-bottom:1px solid #ebebeb;vertical-align:top} .pt-tbl td:first-child{font-weight:600;color:#555;width:38%;white-space:nowrap} .pt-feat{font-size:13px;line-height:1.8;color:#444} .pt-compat{background:#f8f8f8;border-left:4px solid #1c1c1c;padding:12px 16px;margin:16px 0;font-size:13px} .pt-compat strong{display:block;font-size:10px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:#888;margin-bottom:6px} .pt-warn{background:#fff8e1;border-left:4px solid #ffc107;padding:10px 14px;margin:14px 0;font-size:13px} .pt-warn strong{color:#7a5c00;display:block;margin-bottom:4px;font-size:10px;letter-spacing:.08em;text-transform:uppercase} .pt-footer{border-top:1px solid #ebebeb;padding-top:10px;margin-top:22px;font-size:12px;color:#888} @media(max-width:600px){.pt-tbl td:first-child{white-space:normal}} AMT Replacement Part — Seal SealVITON8" The AMT 1640-161-91 is a replacement seal (VITON), 8" for AMT pump systems. A mechanical seal that prevents fluid leakage between the rotating shaft and stationary pump casing. Part Specifications Part Number 1640-161-91 Part Type Seal Material VITON Dimensions 8" Brand AMT ⚠ Confirm Compatibility Before OrderingAlways verify this part is correct for your specific pump model. Contact PumpStop with your pump model number and we'll confirm. Need help confirming compatibility or finding the right part? Contact PumpStop — chat or call (781) 281-8905.
