.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 — Component 3" The AMT 3354-070-90, 3" for AMT pump systems. Part Specifications Part Number 3354-070-90 Dimensions 3" 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.
