TR6 diff, recon new cw+p 3.7-1 516629R £ 870.00 (£ 725.00 excl VAT) each Surcharge- £300: Refund on return of part £200 + VAT surcharge ( + £ 360.00 ) + – The add to cart button will appear once you select the values above TR6 Diff - recon 3.7-1 new cw+p. PLEASE NOTE: This is not a stock item, 3-5 day delivery to us from our reconditioners. A surcharge of £300 + vat will be applied to sale and will be refunded upon receipt of your old unit in a reconditionable state.